Patients with a history of hepatic sinusoid obstructive syndrome (veno-occlusive disease) within the prior months History of reversible posterior leukoencephalopathy syndrome (RPLS) Trisomy (Down syndrome) Patients known to have one of the following concomitant genetic syndromes: Down syndrome, Bloom syndrome, ataxia-telangiectasia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome Patients with Down syndrome Patients with Down syndrome are not eligible Down syndrome Patients with down syndrome are excluded from this study Patients with known symptomatic Fanconi anemia (FA), ataxia-telangiectasia (A-T) syndrome, Bloom syndrome (BS) and Nijmegen breakage syndrome (NBS) are not eligible (asymptomatic carriers are acceptable) History of sarcoidosis syndrome Patients must not have evidence or history of veno-occlusive disease or sinusoidal obstruction syndrome POEMS syndrome Mycosis fungoide/Sezary syndrome History of Steven's Johnson's syndrome or toxic epidermal necrolysis syndrome. History of nephrotic syndrome Patients with nevoid BCC syndrome (Gorlin syndrome) should not enroll in this study Pre-existing renal disease including glomerulonephritis, nephritic syndrome, Fanconi Syndrome or renal tubular acidosis. Any history of serotonin syndrome (SS) after receiving or more serotonergic drugs Patients with Downs syndrome Patients with Down syndrome History of hemolytic-uremic syndrome. Erythema multiforme, toxic epidermal necrolysis, or Stevens-Johnson syndrome History of sarcoidosis syndrome History of multiple sclerosis or other demyelinating disease and/or Eaton-Lambert syndrome (para-neoplastic syndrome) Any history of serotonin syndrome after receiving serotonergic drugs Documented history of carcinoid syndrome Subjects with history of or active symptoms of carcinoid syndrome Any history of serotonin syndrome (SS) after receiving serotonergic drugs Known reversible posterior leukoencephalopathy syndrome (RPLS) History of concomitant genetic syndrome such as Fanconi anemia, Kostmann syndrome, Shwachman-Diamond syndrome or any other known bone marrow failure syndrome History of multiple sclerosis or other demyelinating disease, Eaton-Lambert syndrome (para-neoplastic syndrome), history of hemorrhagic or ischemic stroke within the last months, or alcoholic liver disease; Carotid sinus hypersensitivity syndrome. Any history of serotonin syndrome (SS) after receiving serotonergic drugs Documented history of capillary leak syndrome within months of study enrollment. History of sarcoidosis syndrome Patients with respiratory distress syndrome Has any history of serotonin syndrome after receiving or more serotonergic drugs Has history of reversible posterior leukoencephalopathy syndrome History of sarcoidosis syndrome Has a paraneoplastic syndrome other than syndrome of inappropriate antidiuretic hormone secretion (SIADH) (hyponatremia) History of sarcoidosis syndrome history of erythema multiforme, toxic epidermal necrolysis or Stevens-Johnson syndrome; Has active cytokine release syndrome from CTL infusion Down syndrome Individuals with Down syndrome History of serotonergic syndrome Any history of Stevens-Johnson syndrome Patients with an inherited cancer syndrome or a medical history suggestive of an inherited cancer syndrome remain eligible Subjects with Gorlin syndrome Patients with concomitant genetic syndrome: patients with Down syndrome, Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome No history of Stevens Johnsons syndrome, toxic epidermal necrolysis (TEN)s syndrome, or motor neuropathy RANDOMIZED PHASE II (ARMS K AND L): No history of Stevens Johnsons syndrome, TENs syndrome, or motor neuropathy Patients with active Richter's syndrome (>% large B-cells in marrow). History of multiple sclerosis or other demyelinating disease, Eaton-Lambert syndrome (para-neoplastic syndrome), history of hemorrhagic or ischemic stroke within the last months, or alcoholic liver disease; Must not have a serotonin-secreting carcinoid tumor or a prior history of drug-induced serotonin syndrome POEMS syndrome Patients with HNPCC (Lynch Syndrome) Has any history of serotonin syndrome after receiving serotonergic drugs Down syndrome Kostmann syndrome Shwachman syndrome Patient has a history of Stevens-Johnson-Syndrome (SJS) or Toxic Epidermal Necroloysis (TEN) Subject has Acute Respiratory Distress Syndrome (ARDS) Patients known to have one of the following concomitant genetic syndromes: Bloom syndrome, ataxia-telangiectasia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or any other known bone marrow failure syndrome Diagnosis of Down syndrome (Trisomy ) Patients with any of the following diagnoses:\r\n* Acute promyelocytic leukemia (APL)\r\n* Down syndrome\r\n* Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome\r\n* Wilson's disease and any other disorder of copper metabolism\r\n* Juvenile myelomonocytic leukemia (JMML) Radiosensitivity syndrome (scleroderma, dermatomyositis, other genetic syndrome that predisposes to adverse radiotherapy complications) Patients with a family history or Li-Fraumeni syndrome will not be eligible Patients who have experienced bowel perforation, neurologic involvement, Guillain Barr syndrome, Myasthenia Gravis, Steven Johnson syndrome and other intractable events or grade non-laboratory toxicity Patients with a history of toxic epidermal necrolysis (TEN) or Stevens-Johnson syndrome are excluded Subject has Down syndrome. Patients with concomitant genetic syndrome: such as patients with Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome. Patients with Down Syndrome will not be excluded. History of Stevens-Johnson syndrome or toxic epidermal necrolysis syndrome. Richter syndrome Patients with peripheral arterial disease with intermittent claudication or Leriches Syndrome Subjects who have history of toxic epidermal necrolysis or Stevens-Johnson syndrome; Subjects with hypothyroidism (eg, following Hashimoto syndrome) stable on hormone replacement; or Had prior serotonin syndrome Patients with concomitant genetic syndrome: such as patients with Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome. Patients with Down Syndrome will not be excluded. Subjects with hypothyroidism (eg, following Hashimoto syndrome) stable on hormone replacement for ? months prior to signing the ICF; or Known history or presence of Sweet Syndrome at screening History of Steven's Johnson's syndrome or toxic epidermal necrolysis syndrome. No history of erythema multiforme, toxic epidermal necrolysis or Stevens-Johnson syndrome POEMS syndrome Any history of serotonin syndrome after receiving serotonergic drugs. History of sarcoidosis syndrome Have ongoing or recent (? months) hepatorenal syndrome. Patients who have a known inherited syndrome as the cause for hormone over secretion. Patients with Cushing's syndrome due to ectopic ACTH secretion or ACTH-independent (adrenal) Cushing's syndrome. Have active metabolic or digestive illnesses such as malabsorptive disorders (Crohns, Celiac disease, irritable bowel syndrome [IBS]), renal insufficiency, hepatic insufficiency, cachexia, or short bowel syndrome Patients with any of the following constitutional conditions are not eligible:\r\n* Fanconi anemia\r\n* Shwachman syndrome\r\n* Any other known bone marrow failure syndrome\r\n* Patients with constitutional trisomy or with constitutional mosaicism of trisomy \r\nNote: enrollment may occur pending results of clinically indicated studies to exclude these conditions Known to have a hypercoagulability syndrome (e.g.: antithrombin III, deficiency, anticardiolipin syndrome etc) Patients with Down syndrome, acute promyelocytic leukemia, juvenile myelomonocytic leukemia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or other bone marrow failure syndromes are not eligible History of concomitant genetic syndrome such as Fanconi anemia, Kostmann syndrome, Shwachman-Diamond syndrome or any other known bone marrow failure syndrome Pre-existing renal disease including glomerulonephritis, nephritic syndrome, Fanconi syndrome or renal tubular acidosis Cushings syndrome Li-Fraumeni Syndrome History of reversible posterior leukoencephalopathy syndrome (RPLS) History of sarcoidosis syndrome. Down Syndrome History of sarcoidosis syndrome Diagnosis of Waldenstrom's macroglobulinemia, POEMS syndrome, plasma cell leukemia, primary amyloidosis, myelodysplastic syndrome, or myeloproliferative syndrome Individuals with Down syndrome Carcinoid Syndrome Has a known history of, or active, neurologic paraneoplastic syndrome Nephrotic syndrome Patients with a known mutation in p (Li Fraumeni syndrome) Down syndrome Kostmann syndrome Shwachman syndrome Concomitant genetic syndrome or other known bone marrow failure syndrome Down syndrome Patients with Down syndrome are excluded. Neurologic disease including multiple sclerosis, Eaton-Lambert syndrome, demyelination Patients with nevoid BCC syndrome (Gorlin syndrome) may enroll in this study but must meet the criteria for locally advanced or metastatic disease listed above Szary syndrome Subjects with posterior leukoencephalopathy syndrome History of neurological conditions that would confound assessment of treatment-emergent neuropathy other than =< grade peripheral neuropathy including multiple sclerosis or other demyelinating disease and/or Eaton-Lambert syndrome (para-neoplastic syndrome); diabetes is allowed Subjects who have Gorlin syndrome Any pre-excitation syndromes, e.g., Wolff-Parkinson-White syndrome; History of sarcoidosis syndrome Patients with a family history or Li-Fraumeni syndrome will not be eligible Patient has Down syndrome Patients with known history of Trisomy (Down Syndrome), history of congenital immunodeficiency or inherited marrow failure disorder. Nephrotic syndrome Patients with a known germline mutation of PTPN (Noonans Syndrome) are not eligible Immediate family member with a known or suspected Familial Cancer Syndrome (including but not limited to hereditary breast and ovarian cancer syndrome, hereditary non-polyposis colorectal cancer syndrome and familial adenomatous polyposis). History of congenital platelet function defect (e.g., Bernard-Soulier syndrome, Chediak-Higashi syndrome, Glanzmann thrombasthenia, storage pool defect) History of hepatic sinusoid obstructive syndrome (venoocculsive disease) within the prior months. Diagnosis of smoldering multiple myeloma, Waldenstrom's macroglobulinemia, POEMS syndrome, plasma cell leukemia, primary amyloidosis, myelodysplastic syndrome, or myeloproliferative syndrome Has known gastrointestinal condition or procedure that could interfere with swallowing or the oral absorption of tolerance of IXAZOMIB - Diagnosis of smoldering multiple myeloma, Waldenstrom's macroglobulinemia, POEMS syndrome, plasma cell leukemia, primary amyloidosis, myelodysplastic syndrome, or myeloproliferative syndrome Patients with an immunodeficiency syndrome Patients diagnosed with Sezary syndrome; Sezary syndrome is equivalent to mycosis fungoides that develops to stage IVA/B with B (high blood tumor burden) involvement, and as such requires a more aggressive treatment regimen than Valchlor or TSEBT Patients with any of the following diagnoses are not eligible:\r\n* Acute promyelocytic leukemia (APL)\r\n* Down syndrome\r\n* Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known bone marrow failure syndrome\r\n* Wilson's disease and any other disorder of copper metabolism\r\n* Juvenile myelomonocytic leukemia (JMML) Active or a history of Tourettes syndrome or tic disorder Patients with Down syndrome Patients with Down syndrome, acute promyelocytic leukemia, juvenile myelomonocytic leukemia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or other bone marrow failure syndromes are not eligible Known Mirizzi syndrome. History of irritable bowel syndrome (IBS) Patients with Sjogren's syndrome Ongoing or recent hepatorenal syndrome. Patients with diagnosis of chronic fatigue syndrome (CFS) Patients with a diagnosis of obesity hypoventilation syndrome History of irritable bowel syndrome (IBS) Diagnosed or suspected vasospastic disease such as Raynauds syndrome; Myelodysplatic Syndrome History of Guillain-Barre syndrome History of Guillain-Barre syndrome Have a history of Guillain-Barre syndrome (GBS) Familial short QT syndrome Down syndrome Short gut syndrome History of atrophic gastritis, pernicious anemia, or Zollinger-Ellison syndrome Subjects who have Gorlins syndrome Subjects with hypothyroidism (eg, following Hashimoto syndrome) stable on hormone replacement for ? months; or Diagnosis of Down's Syndrome Individuals with Li Fraumeni syndrome defined as one of the following:\r\n* Carriers of a germline protein (p) mutation\r\n* Members of families meeting classic Li-Fraumeni syndrome (LFS) criteria by family history without an identifiable p mutation\r\n* Obligate carrier by pedigree (these individuals can be offered testing but are still eligible if they defer); the following examples describe obligate carriers by pedigree\r\n** A child of a parent with known p mutation that is diagnosed with cancer\r\n** An individual with a sibling and a child who are p positive OR\r\n* Individuals with an inherited cancer predisposition syndrome as defined by one of the following:\r\n** Hereditary retinoblastoma with a germline retinoblastoma (Rb) mutation\r\n** Diagnosis of hereditary paraganglioma/pheochromocytoma syndrome with a germline succinate dehydrogenase (SDH) mutation\r\n** Diagnosis of multiple endocrine neoplasia, type or , with a germline multiple endocrine neoplasia (MEN) mutation\r\n** New diagnosis of opsoclonus-myoclonus with a negative cancer work-up upon presentation of symptoms\r\n** Familial neuroblastoma with a germline anaplastic lymphoma kinase (ALK) mutation\r\n** Rapid-onset obesity with hypothalamic dysfunction, hypoventilation and autonomic dysregulation (ROHHAD syndrome) or congenital central hypoventilation syndrome (CCHS) with or without a germline pairedlike homeobox B (PHOX B) mutation\r\n** Von Hippel-Lindau with a Von Hippel-Lindau (VHL) mutation\r\n** Women with an abnormal cell-free deoxyribonucleic acid (DNA) test (i.e. a non-invasive prenatal test [NIPT] to detect chromosomal abnormalities) and no cancer diagnosis\r\n** Other rare cancer predisposition syndromes at the discretion of the treating physician and study physicians\r\n* IF APPLICABLE: individuals with any of the above-listed cancer predisposition syndromes (apart from Li Fraumeni syndrome) are likewise eligible in the absence of a known mutation if they are an obligate carrier by pedigree Individuals with Li Fraumeni syndrome defined as one of the following:\r\n* Carriers of a germline p mutation OR\r\n* Members of families meeting classic LFS criteria by family history without an identifiable p mutation OR\r\n* Obligate carrier by pedigree (these individuals can be offered testing but are still eligible if they defer); the following examples describe obligate carriers by pedigree\r\n** A child of a parent with known p mutation that is diagnosed with cancer\r\n** An individual with a sibling and a child who are p positive OR\r\n* Individuals with an inherited cancer predisposition syndrome as defined by one of the following:\r\n** Hereditary retinoblastoma with a germline Rb mutation\r\n** Diagnosis of hereditary paraganglioma/pheochromocytoma syndrome with a germline SDH mutation\r\n** Diagnosis of multiple endocrine neoplasia, type or , with a germline MEN mutation\r\n** New diagnosis of opsoclonus-myoclonus with a negative cancer work-up upon presentation of symptoms\r\n** Familial neuroblastoma with a germline ALK mutation\r\n** Rapid-onset obesity with hypothalamic dysfunction, hypoventilation and autonomic dysregulation (ROHHAD syndrome) or congenital central hypoventilation syndrome (CCHS) with or without a germline PHOX B mutation\r\n** Von Hippel-Lindau with a VHL mutation\r\n** Other rare cancer predisposition syndrome at the discretion of the treating physician and study physicians\r\n* IF APPLICABLE: individuals with any of the above-listed cancer predisposition syndromes (apart from Li Fraumeni syndrome) are likewise eligible in the absence of a known mutation if they are an obligate carrier by pedigree History of Stevens-Johnson syndrome History of Stevens-Johnson syndrome Patients with respiratory distress syndrome PATIENT: Patients with respiratory distress syndrome Patients with unstable cardiopulmonary conditions or respiratory distress syndrome History of Stevens Johnsons syndrome, toxic epidermal necrolysis syndrome (TENs) or motor neuropathy Pre-existing renal disease including glomerulonephritis, nephritic syndrome, Fanconi syndrome or renal tubular acidosis Patients with respiratory distress syndrome Patients with respiratory distress syndrome History of Stevens-Johnson syndrome or toxic epidermal necrolysis syndrome. History of Guillain-Barre syndrome or Stevens-Johnson syndrome