Brain metastases At least 1 measurable unirradiated parenchymal brain metastasis within 21 days prior to study entry; patients who are to undergo SRS must have no more than 10 brain metastases; there is no limit on number of brain metastases for WBRT; the minimum size as measured on T1-weighted gadolinium-enhanced MRI must be as follows according to the number of brain metastases:\r\n* For a single solitary lesion the size must be >= 10 mm\r\n* For 2 or more lesions, the size of at least 2 of the lesions must be >= 5 mm\r\n* Patients may also have the following provided the size requirements above are met:\r\n** Progressive parenchymal brain metastasis following stereotactic radiosurgery for 1-3 brain metastases, with at least 1 new measurable brain lesion\r\n** Progressive parenchymal brain metastasis following surgical resection of 1-3 brain metastases, with at least 1 measurable brain lesion No active brain metastases Patients with untreated brain metastases. Patients with treated brain metastases who are off corticosteroids for at least two weeks and who demonstrate control of brain metastases with follow-up imaging 4 or more weeks after initial therapy are eligible. Uncontrolled brain metastases Females who are pregnant or breastfeeding. ? Patients who have active or stable brain metastases or who have a history of brain metastases. Subjects with brain metastases Any current brain or subdural metastases Active brain metastases Some types of brain metastases Patients may not have diagnosed brain metastases Brain metastases (brain imaging is not required) Patients with uncontrolled brain metastases. Uncontrolled brain metastases Brain metastases. Known brain metastases Patients with metastases Brain metastases that: Known brain metastases Recurrent brain metastases Patients with known brain metastases Patients with 1-10 untreated brain metastases at time of initial brain metastases diagnosis (surgery to one of the brain lesions and/or biopsy of a lesion for diagnostic purposes and/or for standard of care purposes is acceptable) Subjects with brain metastases are eligible Known brain metastases The presence of known brain metastases Patient has known brain metastases, Patients with known brain metastases Presence or history of brain metastases. History of brain metastases History of prior brain metastases Patients who have metastases to the brain. The patient has active brain metastases History of, or current brain metastases Known brain metastases who are clinically unstable Patients must have a history of brain metastases that are non-progressing. Patients with a prior history of brain metastases are eligible provided:\r\n* The brain metastases have been treated\r\n* The patient is asymptomatic from the brain metastases\r\n* Corticosteroids prescribed for the management of brain metastases have been discontinued at least 7 days prior to registration\r\n* The brain metastases are stable on pre-registration imaging Metastases in the brain Subjects with active brain metastases. Untreated brain metastases, symptomatic brain metastases, brain metastases requiring steroids to manage symptoms, or treatment for brain metastases within 8 weeks prior to randomization; Patient does not have any brain metastases in the genu Patients with brain metastases in the genu If history of brain metastases must be stable for at least 3 months after treatment – a brain computed tomography (CT) scan or MRI is only be required in subjects with known brain metastases at the time of enrollment or in subjects with clinical signs or symptoms suggestive of brain metastases Presence or history of brain metastases Brain metastases or a history of brain metastases Metastases to brain per prior clinical evaluation; Subjects with brain metastases Patient with a known history or evidence of brain metastases Patients with uncontrolled brain metastases; patients with brain metastases must be asymptomatic and off corticosteroids for at least one week Patients with active brain metastases; a scan to confirm the absence of brain metastases is not required for asymptomatic patients Patients with known brain metastases Known brain metastases Greater than 10 brain metastases; excluding previously treated and stable brain metastases Patients with brain metastases. History or evidence of brain metastases Patients with known brain metastases Patient must have 10 or less brain metastases Brain metastases meeting either of the following exclusion criteria:\r\n* Untreated brain metastases\r\n* After completion of brain-directed therapy, the patient has not been able to tolerate discontinuation of steroids or a decrease in steroid dose The patient has symptomatic brain metastases; asymptomatic brain metastases are permitted provided that there is no steroid requirement, no more than 4 metastases detected on standard MRI imaging, no metastatic brain lesion that is > 3 cm in size, and no lepto-meningeal disease Known brain metastases More than four additional diagnosed brain metastases Patients with known brain metastases Patients must have 1-5 brain metastases total Current symptomatic brain metastases; if previously present, the metastases must have been treated at least two months before participation in this study; CT or MRI scan of the brain is mandatory to assess the presence or not of brain metastases Gliomas are excluded, as well as any history of brain metastases, seizures or underlying brain injury Presence of brain metastases Patients with uncontrolled brain metastases; patients with brain metastases must be asymptomatic and off corticosteroids for at least one week Symptomatic brain metastases; patients with known brain metastases are eligible if the metastases are asymptomatic and previously treated Must not have known brain metastases Patients with symptomatic or progressive brain metastases are ineligible; subjects with treated brain metastases are eligible if they have no radiographic or other signs of progression in the brain for >= 4 weeks after completion of local therapy Patients with untreated brain metastases or who have signs/symptoms attributable to brain metastases and have not been assessed with radiologic imaging to rule out the presence of brain metastases; patients with brain metastases that have been definitively treated and on stable or decreasing dose of steroid within 4 weeks of starting study treatment will be eligible Symptomatic brain metastases; patients with known brain metastases are allowed if they are asymptomatic Presence of brain metastases Patient with a known history or evidence of brain metastases History of brain metastases within the last four years Subjects with known brain metastases. Patients with brain metastases (except as allowed in section 4.1.14 of the protocol. Neurological assessment will be used to determine brain metastases. Patient with active brain metastases are not eligible. Patients with treated brain metastases are eligible if : Known brain metastases Either no brain metastases or irradiated stable brain metastases Symptomatic brain metastases (if a patient has brain metastases and is on steroids, the steroid dose must have been stable for at least 14 days) or brain metastases that have not been previously treated Documented primary brain malignancy or brain metastases Known brain metastases (even if treated) Active brain metastases Patients with known brain metastases Patients with brain metastases Patients with known brain metastases should be excluded from this clinical trial; no additional workup is needed to exclude brain metastases if the patient is asymptomatic or has no history of brain metastases Known brain metastases, except brain metastases that have been previously removed or irradiated and currently have no clinical impact If history of brain metastases must be stable for at least 3 months after treatment-a brain computed tomography (CT) scan will only be required in subjects with known brain metastases at the time of enrollment or in subjects with clinical signs or symptoms suggestive of brain metastases Active brain metastases; patients with treated and stable (for at least 4 weeks) brain metastases are eligible; brain metastases will not be considered measurable lesions for the purpose of this trial Subjects with known brain metastases Primary brain tumors or active brain metastases Patients with brain metastases (including treated or stable brain metastases) Patients must not have active brain metastases from a systemic solid tumor Brain metastases or a history of brain metastases Patients with known brain metastases Subjects with known brain metastases Patients with known brain metastases NSCLC subjects with known brain metastases (certain exceptions allowed) Gastric adenocarcinoma subjects with brain metastases All subjects with brain metastases, except those meeting the following criteria: a. Brain metastases have been treated locally, have not been progressing at least 2 months after completion of therapy, and no steroid maintenance therapy is required, and b. No ongoing neurological symptoms that are related to the brain localization of the disease (sequelae that are a consequence of the treatment of the brain metastases are acceptable) Brain metastases considered unstable as: Patients with untreated brain metastases are allowed provided that the patient is clinically asymptomatic and stable; patients with a prior history of symptomatic brain metastases are eligible provided:\r\n* The brain metastases have been treated\r\n* The patient is asymptomatic from the brain metastases at enrollment\r\n* Corticosteroids prescribed for the management of brain metastases have been discontinued at least 7 days prior to registration\r\n* The brain metastases are stable on pre-registration imaging Known brain metastases Presence of or known history of brain/CNS tumor or metastases History of brain metastases that meet certain conditions; Brain metastases considered unstable as: Have known brain metastases. Patients must not have history of brain metastases No known brain metastases Known brain metastases Have known brain metastases. Presence of brain metastases Cancer metastases in the brain Patients with known brain metastases Presence of brain or subdural metastases Known metastases to the brain Documented brain metastases Subject has known brain metastases Known brain metastases Any history of or current brain or subdural metastases Patients must not have known brain metastases because the study drug has not been adequately tested in this setting Has known brain metastases There is no limit on the number of brain metastases Symptomatic brain metastases; known brain metastases are allowed if asymptomatic and previously treated Known brain metastases Known brain metastases Known brain metastases Patient has a known history or evidence of brain metastases One or more brain metastases Known brain metastases Patients with known brain metastases Known brain metastases; Active brain metastases or unevaluated neurologic symptoms suggestive of brain metastases; subjects with brain metastasis and documented stable disease for > 6 weeks may be included in this study; brain metastases will not be considered measurable lesions for the purposes of this trial History or evidence of brain metastases Patients with known brain metastases are NOT eligible for participation Patients with known brain metastases Documented and ongoing brain metastases Documented brain metastases Patients with evidence upon physical examination of brain tumor and any brain metastases Active brain metastases Known brain metastases No more than 4 brain metastases Subjects with known brain metastases and/or unresectable sarcoma Uncontrolled brain metastases and infections; patients with brain metastases treated with gamma knife (GK) or whole brain radiation within 24 hours of registration Subjects with brain metastases are excluded if their brain metastases are: Active seizure disorder or evidence of brain metastases; (appropriate imaging should be done to rule out brain metastases) Known brain metastases Known or suspected brain metastases Patients with hemorrhagic brain metastases Patients with brain metastases Previously documented or current brain metastases. Known brain metastases Brain metastases Brain metastases Active brain metastases. Known brain metastases. Subject has known brain metastases. Subjects with leptomeningeal metastases may or may not have brain metastases. When brain metastases are present, they do not need to have progressed after radiation therapy Clinically active brain metastases Patients with known brain metastases should have their brain metastases treated prior to enrollment on this protocol; subjects may enroll on this trial after completion of whole brain radiation therapy and/or stereotactic radiosurgery, provided they are clinically without evidence of progressive brain metastases Subjects with known or suspected brain metastases, primary brain tumors, or brain as the only site of disease History or clinical evidence of brain metastases Patients with known brain metastases Patients with a prior history of brain metastases are eligible provided:\r\n* The brain metastases have been treated\r\n* The patient is asymptomatic from the brain metastases\r\n* Corticosteroids prescribed for the management of brain metastases have been discontinued at least 7 days prior to registration Presence of symptomatic or uncontrolled brain or central nervous system metastases. Patients with stable, treated brain metastases are eligible for this trial. However, patients must not have required steroid treatment for their brain metastases within 30 days of Screening. Patients with known brain metastases Documented primary brain malignancy or brain metastases. Subject has known brain metastases Recurrent brain metastases from breast cancer Brain metastases Documented metastases to brain or meninges. Active brain or subdural metastases Active or progressing brain metastases Known brain metastases Known brain metastases (systematic screening of patients not mandatory) The patient has a primary brain tumor. Patients may have brain metastases from another primary site. Patients with known brain metastases Active or progressing brain metastases Patients with known uncontrolled brain metastases are excluded; however, patients with stable brain disease (off corticosteroids) at least 2 weeks after completion of appropriate therapy for their brain metastases are eligible Active brain metastases Patient must not have known active brain metastases; patients with previously treated brain metastases are eligible; patients with known brain active metastases must be excluded from this clinical trial Patients with known brain metastases Uncontrolled brain metastases Known or suspected metastases in the brain Presence of brain metastases Known history or evidence of brain metastases Subjects with brain metastases First presentation of brain metastases Subjects may have distant metastasis, including brain metastases. Subjects with known brain metastases are eligible if: Known brain metastases (scan required at screening) Patients with brain metastases are excluded Uncontrolled brain metastases; patients with brain metastases are permitted if they have received appropriate therapy and demonstrated control of the brain metastases following therapy; patients with known brain metastases will require magnetic resonance imaging (MRI) brain to demonstrate disease control prior to enrollment (lack of symptom progression for two weeks off therapeutic doses of steroids, excluding chronic steroids used for control of chronic obstructive pulmonary disease [COPD]) Known brain metastases Patient has a condition that may have affected the permeability of the blood-brain barrier (e.g., known brain metastases, meningeal metastases, brain injury, multiple sclerosis, recent brain injury, uncontrolled epilepsy) Patients with known brain metastases; Presence of brain metastases Metastases to the brain Metastases to the brain Participant had breast cancer with brain metastases Metastases to the brain Patients with known brain metastases, history of brain metastases or radiation to the brain. Patients with a prior history of brain metastases are eligible provided:\r\n* The brain metastases have been treated \r\n* The patient is asymptomatic from the brain metastases\r\n* Corticosteroids prescribed for the management of brain metastases have been discontinued at least 7 days prior to registration \r\n* The brain metastases are stable on pre-registration imaging Known brain metastases Known history of brain metastases Evidence for hemorrhage within any of the brain metastases. Brain metastases Subject has known history of brain metastases. Patients must have been diagnosed with one of the following:\r\n* Primary brain tumor (glioma, glioblastoma [GBM] etc); or\r\n* Up to 10 brain metastases Known brain metastases Known brain metastases Active or progressing brain metastases Patients with known brain metastases Brain metastases have been treated. History of leptomeningeal disease Patient must not have leptomeningeal disease Leptomeningeal disease Leptomeningeal disease Leptomeningeal disease as the only manifestation of the current malignancy Multifocal disease or leptomeningeal disease (LM) disease on post-operative MRI; History of leptomeningeal disease; History of leptomeningeal metastatic disease Leptomeningeal disease Leptomeningeal involvement of cancer Leptomeningeal disease Patients with leptomeningeal disease are not eligible for participation\r\n* Please note: leptomeningeal enhancement is not an exclusion Leptomeningeal disease Known leptomeningeal disease Known leptomeningeal or brainstem metastases (defined as positive CSF cytology and/or unequivocal radiological evidence of clinically significant leptomeningeal involvement; CSF sampling is not required in the absence of suggestive symptoms to exclude leptomeningeal involvement) Participants with widespread, definitive leptomeningeal disease Participants with widespread, definitive leptomeningeal disease Leptomeningeal disease Patients with leptomeningeal disease Patients with metastatic disease, including leptomeningeal or subarachnoid disseminated disease. Leptomeningeal disease Has evidence of leptomeningeal disease Patient has leptomeningeal disease History of leptomeningeal disease Diffuse leptomeningeal gliomatosis History of leptomeningeal disease Untreated CNS or leptomeningeal metastasis\r\n* Note: CNS or leptomeningeal disease must be stable for >= 3 months prior to registration Patients with asymptomatic leptomeningeal disease are eligible for participation in this trial; however, patients who had progression of leptomeningeal disease on alectinib will be required to undergo CNS radiation to meet eligibility Patients with known leptomeningeal metastatic disease Patients with leptomeningeal disease Leptomeningeal disease Symptomatic or untreated leptomeningeal disease Leptomeningeal disease Patients with metastatic disease, including leptomeningeal or subarachnoid disseminated disease Has presence of diffuse leptomeningeal disease or extracranial disease Leptomeningeal involvement regardless of treatment status Leptomeningeal involvement regardless of treatment status Leptomeningeal disease Evidence of leptomeningeal disease Subjects with leptomeningeal disease are excluded Presence of leptomeningeal disease Diagnosis of leptomeningeal disease Evidence of leptomeningeal spread of disease Presence of leptomeningeal disease Presence of extracranial metastatic or leptomeningeal disease Leptomeningeal disease Leptomeningeal disease Presence of leptomeningeal disease Presence of diffuse leptomeningeal disease Imaging or cytologic evidence of leptomeningeal disease Patients with multifocal disease or leptomeningeal disease who require whole brain radiotherapy (WBRT) Presence of leptomeningeal disease Known leptomeningeal involvement. Leptomeningeal disease Patients who have leptomeningeal disease Patients with leptomeningeal disease Symptomatic or untreated leptomeningeal disease. History of leptomeningeal disease Has infratentorial, or leptomeningeal evidence of recurrent disease Leptomeningeal disease Evidence of leptomeningeal dissemination Patients with documented evidence of leptomeningeal disease Leptomeningeal disease Leptomeningeal disease. Leptomeningeal disease Leptomeningeal disease History of leptomeningeal disease History of leptomeningeal disease Leptomeningeal disease Patients must not have clinical evidence of leptomeningeal disease (a spinal tap does not need to be performed) Leptomeningeal disease Has infratentorial, or leptomeningeal evidence of recurrent disease Leptomeningeal disease Has presence of diffuse leptomeningeal disease or extracranial disease Leptomeningeal disease Known leptomeningeal disease Leptomeningeal disease Presence of extracranial metastatic or leptomeningeal disease Leptomeningeal disease Patients with leptomeningeal disease are excluded presence of Alzheimer's disease, meningioma, leptomeningeal disease from prostate cancer. History of leptomeningeal disease Patients with leptomeningeal disease are not eligible for participation Patients with leptomeningeal disease Infratentorial, or leptomeningeal evidence of recurrent disease Symptomatic or untreated leptomeningeal disease Patients with leptomeningeal disease Multifocal disease or leptomeningeal spread Evidence of leptomeningeal spread of glibolastoma or gliosarcoma. Leptomeningeal disease as a manifestation of cancer Leptomeningeal disease Leptomeningeal disease as a manifestation of cancer Any history of leptomeningeal disease Leptomeningeal disease History of leptomeningeal disease. Symptomatic or untreated leptomeningeal disease Leptomeningeal disease Leptomeningeal disease as a manifestation of cancer Leptomeningeal disease as a manifestation of cancer Leptomeningeal disease Leptomeningeal disease as the only manifestation of the current malignancy Leptomeningeal disease Leptomeningeal disease as the only manifestation of the current malignancy Evidence of leptomeningeal spread of disease. The participant has leptomeningeal disease. Leptomeningeal disease as the only manifestation of the current malignancy Presence of diffuse leptomeningeal disease or gliomatosis cerebri. History of leptomeningeal disease Leptomeningeal disease Leptomeningeal disease Diffuse leptomeningeal disease at recurrence Leptomeningeal disease Leptomeningeal disease Patients with carcinomatous meningitis should also be excluded Patients with brain metastases (either remote or current) or presence of carcinomatous meningitis are not eligible Has known carcinomatous meningitis Known carcinomatous meningitis Carcinomatous meningitis, as defined by positive cytology COHORT C: Carcinomatous meningitis, as defined by positive cytology History of carcinomatous meningitis Subjects with carcinomatous meningitis History of carcinomatous meningitis Untreated or actively progressing CNS lesions (carcinomatous meningitis) Presence or history of carcinomatous meningitis Carcinomatous meningitis Carcinomatous meningitis Subjects with carcinomatous meningitis Participants must not have carcinomatous meningitis Subjects with carcinomatous meningitis. Participants with carcinomatous meningitis Patients with carcinomatous meningitis Has known carcinomatous meningitis (also known as leptomeningeal disease) CAPMATINIB EXCLUSION CRITERIA: Presence or history of carcinomatous meningitis CERITINIB EXCLUSION CRITERIA: History of carcinomatous meningitis History of carcinomatous meningitis History of carcinomatous meningitis Has carcinomatous meningitis; Carcinomatous meningitis Patients with carcinomatous meningitis should also be excluded Subjects with carcinomatous meningitis Known active brain metastases and/or carcinomatous meningitis Subjects with carcinomatous meningitis Subjects with carcinomatous meningitis Has known carcinomatous meningitis, extracranial disease, or multifocal disease Has known brain metastases and/or carcinomatous meningitis Clinical evidence of brain metastases or carcinomatous meningitis Subjects with carcinomatous meningitis Carcinomatous meningitis, which means there is inflammation of the covering of the brain, caused by cancer Subjects with carcinomatous meningitis Participants with carcinomatous meningitis Leptomeningeal disease or carcinomatous meningitis Carcinomatous meningitis Carcinomatous meningitis Presence of carcinomatous meningitis. History of or known carcinomatous meningitis Patients with carcinomatous meningitis Patients with documented or suspected Candida meningitis. Carcinomatous meningitis. Known carcinomatous meningitis Carcinomatous meningitis or leptomeningeal disease History of carcinomatous meningitis. Known or suspected brain metastasis or active leptomeningeal disease Brain metastasis and/or leptomeningeal disease (known or suspected) Known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or active leptomeningeal disease. Patients with known or suspected brain metastasis Subjects with known or suspected brain metastasis, or brain as the only site of disease are excluded with the following exceptions Patients with known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or active leptomeningeal disease For Cohort C:Has known or suspected brain metastasis or leptomeningeal carcinomatosis Known or suspected brain metastasis or active leptomeningeal disease; Subject has known or suspected brain metastasis or active leptomeningeal disease. Known or suspected brain metastasis or active leptomeningeal disease; Known or suspected brain metastasis Subject has known or suspected brain metastasis or active leptomeningeal disease. Known or suspected brain metastasis or active leptomeningeal disease Suspected or known CNS metastasis Known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or leptomeningeal disease. Known or suspected brain metastasis; Known or suspected brain metastasis or active leptomeningeal disease Known or suspected brain metastasis or leptomeningeal disease Active known or suspected brain metastasis or active leptomeningeal disease needing treatment Active known or suspected brain metastasis or active leptomeningeal disease undergoing or requiring treatment. Symptomatic brain metastasis or leptomeningeal disease Cytologic or unequivocal radiographic confirmation of leptomeningeal metastasis by dural puncture and/or neuroimaging with or without known brain metastasis Or any history of leptomeningeal metastasis. Presence of brain metastasis or leptomeningeal spread of the disease Patients with leptomeningeal metastasis. Patients with a history of brain/leptomeningeal metastasis Leptomeningeal disease or uncontrolled brain metastasis Known brain metastasis or leptomeningeal involvement Patients with leptomeningeal metastasis Leptomeningeal metastasis Active brain or leptomeningeal metastasis. History or presence of brain metastasis or leptomeningeal disease Leptomeningeal metastasis Known brain metastasis or leptomeningeal disease Known brain metastasis or leptomeningeal disease Unstable or untreated brain/leptomeningeal metastasis Current or previously treated brain metastasis or active leptomeningeal disease; History of brain metastasis, active leptomeningeal disease or seizure Patients with a history of brain/leptomeningeal metastasis Active brain metastasis or leptomeningeal metastasis Widespread definitive leptomeningeal metastasis Any history of leptomeningeal metastasis. Known brain metastasis or leptomeningeal disease Any presence of leptomeningeal disease or any parenchymal brain metastasis Leptomeningeal metastasis. Brain metastasis, leptomeningeal disease. The participant has symptomatic brain or leptomeningeal metastasis. The participant has symptomatic brain or leptomeningeal metastasis. Subject has current central nervous system (CNS) or leptomeningeal metastases or history of CNS or leptomeningeal metastases. Leptomeningeal metastases Leptomeningeal metastases Known leptomeningeal or brainstem metastases. The presence of leptomeningeal enhancement alone, without associated clinical manifestations and/or positive CSF cytology, will not be constituted as known leptomeningeal metastases Active brain metastases or leptomeningeal metastases Leptomeningeal metastases Metastases detected below the tentorium or beyond the cranial vault, including tumors with evidence of leptomeningeal metastases as previously indicated; Presence of leptomeningeal metastases Diffuse Leptomeningeal metastases with radiographic involvement in the brain and/or spinal cord. This does not include local leptomeningeal involvement which is defined as leptomeningeal enhancement within direct contact of targetable metastases Participants must not have active brain metastases or leptomeningeal metastases Subjects with leptomeningeal metastases in lumbar area. History of leptomeningeal metastases Active leptomeningeal metastases Patients with leptomeningeal metastases Leptomeningeal metastases Must not have leptomeningeal metastases. Leptomeningeal metastases Participants in Part F must have HR+ breast cancer, NSCLC, or melanoma with leptomeningeal metastases. For Parts A, B, C, D, E: Have evidence of leptomeningeal metastases. Note: discrete dural metastases are permitted. Evidence of leptomeningeal metastases Participant has known leptomeningeal metastases. Patients with active brain metastases or leptomeningeal metastases Evidence of leptomeningeal metastases Active brain metastases or leptomeningeal metastases are not allowed. Active CNS metastases or leptomeningeal disease. Active brain metastases or leptomeningeal metastases Active brain metastases or leptomeningeal metastases CNS metastases or leptomeningeal disease requiring immediate treatment with radiation therapy or steroids. Subjects with active brain metastases or leptomeningeal metastases Patients with known or suspected leptomeningeal metastases. Known leptomeningeal metastases not amenable to radiotherapy; patients receiving radiotherapy for leptomeningeal metastases are eligible Brain metastases, leptomeningeal disease or bone metastases Known leptomeningeal metastases Active brain metastases or leptomeningeal metastases are not allowed History of leptomeningeal metastases Leptomeningeal metastases or brain metastases except as for Inclusion Criterion #6. Active brain metastases or leptomeningeal metastases Active metastases. Those with leptomeningeal metastases as the only site of CNS disease Patients with leptomeningeal metastases Symptomatic CNS metastases or evidence of leptomeningeal disease. Active metastases. Known brain metastases (unless asymptomatic and treated) or leptomeningeal metastases, including suspected leptomeningeal spread with positive cytology Active brain metastases or leptomeningeal metastases Presence of leptomeningeal disease or dural metastases. Leptomeningeal metastases, hemorrhagic metastases, presence of midline shift; please note: leptomeningeal metastases may be allowed if it is limited to cranial metastasis (magnetic resonance imaging [MRI] spine should be completed, within 4 weeks of enrollment, to show that no other leptomeningeal metastases is present) and is not the only metastasis present in the brain Evidence of CNS or leptomeningeal metastases History of leptomeningeal metastases Leptomeningeal metastases Leptomeningeal metastases Subjects with active brain metastases or leptomeningeal metastases Patients with definitive leptomeningeal metastases Leptomeningeal metastases; please note: leptomeningeal metastases may be allowed if it is limited to cranial metastasis (MRI spine should be completed, within 4 weeks of enrollment, to show that no other leptomeningeal metastases is present) and is not the only metastasis present in the brain History of leptomeningeal metastases Has active brain metastases or leptomeningeal metastases.