At least 1 lesion of greater than or equal to 10 mm in the longest diameter for a non-lymph node or greater than or equal to 15 mm in the short-axis diameter for a lymph node that is serially measurable according to irRECIST (immune-related RECIST) using computerized tomography/magnetic resonance imaging (CT/MRI) Patients must have at least one cutaneous or subcutaneous tumor, measuring 0.5 to 5.0 cm in the longest diameter, or a palpable lymph node. At least one tumor must qualify as an index lesion that can be accurately and reproducibly measured in two dimensions for which the longest diameter is .10 mm (.15 mm in short axis diameter [SAD] for lymph nodes), and be amenable to intratumoral injection. Measurable disease (at least 1 lesion ?10 mm longest diameter or for lymph nodes short axis ?15 mm) by CT/MRI At least 1 lesion of greater than or equal to 10 mm in the longest diameter for a non-lymph node or greater than or equal to 15 mm in the short-axis diameter for a lymph node that is serially measurable according to irRECIST using computerized tomography/magnetic resonance imaging (CT/MRI) Measurable disease based on RECIST 1.1 (Or based on IWG [Cheson, 2007] [i.e., measurement must be >15 mm in longest diameter or >10 mm in short axis] for rrcHL participants) Have measurable disease based on RECIST v.1.1 and irRC for response assessment\r\n* Must have at least one lesion that is 10 mm in longest diameter for a soft tissue lesion or 15 mm in short axis for a lymph node Have at least one radiologically measurable lesion as per RECIST v1.1 defined as a lesion that is at least 10 mm in longest diameter or lymph node that is at least 15 mm in short axis imaged by CT scan or MRI and obtained by imaging within 28 days prior to start of study treatment. Tumor lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions. Measurable disease according to RECIST 1.1 and irRECIST. At least one lesion of at least 1.0 cm in the long-axis diameter for a non-lymph node or at least 1.5 cm in the short-axis diameter for a lymph node which is serially measurable according to RECIST 1.1 and irRECIST using either computed tomography (CT) or magnetic resonance imaging (MRI). If there is only one target lesion and it is a non-lymph node, it should have a longest diameter of at least 1.5 cm Patients must have evaluable disease as defined by RECIST 1.1 with tumor lesion > 10 mm by computed tomography (CT) scan or caliper measurement on clinical exam or lymph node >= 15 mm in short axis Measurable disease by RECIST v1.1 criteria (tumor >= 1 cm in longest diameter on axial image on computed tomography [CT] or magnetic resonance imaging [MRI] and/or lymph node(s) >= 1.5 cm in short axis on CT or MRI) on baseline imaging All patients must have measurable disease as defined by immune-related Response Evaluation Criteria in Solid Tumors (irRECIST); measurable disease is defined as 10 mm in the longest diameter by computed tomography (CT) or magnetic resonance imaging (MRI) scan (or no less than double the slice thickness) for non- nodal lesions and >= 15 mm in short axis for nodal lesions, 20 mm by chest X-ray, a lymph node must be >= 15 mm in short axis when assessed by CT scan (CT scan slice thickness recommended to be no greater than 5 mm) No radiographic evidence of lymph node positive disease as per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 (>= 15 mm short axis diameter); lymph node positive disease is defined as clinical lymphadenopathy on staging computed tomography (CT) or magnetic resonance imaging (MRI) greater than 1.4 cm in the short axis; if a lymph node is greater than 1.4 cm, it has to be biopsy proven negative for the patient to be eligible Must have measurable disease (?1 lesion that is >15 mm in the longest diameter or by >10 mm in the short axis) At least 1 lesion of ?1.0 centimeter (cm) in the longest diameter for a non-lymph node or ?1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 using computerized tomography/magnetic resonance imaging (CT/MRI). Participants must have measurable disease as defined by response evaluation criteria in solid tumors (RECIST) 1.1 (soft tissue lesion of greater than or equal to (>=) 10 millimeter (mm) in the long axis or extrapelvic lymph node of >=15 mm in the short axis) Patients must have baseline imaging within 30 days prior to the start of therapy and satisfy one of the following:\r\n* Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria\r\n* At least one non lymph node lesion of >= 1.0 cm or lymph node >= 1.5 cm in short axis by computerized tomography (CT) scan (CT scan thickness no greater than 5 mm which is serially measurable according to RECIST 1.1 using either computerized tomography (CT) or magnetic resonance imaging (MRI)\r\n* Lesions that have had radiotherapy must show evidence of progressive disease (PD) based on RECIST 1.1 to be deemed a target lesion\r\n* Non-measurable disease by RECIST 1.1 criteria (includes bone only disease and lesions < 10 mm or lymph nodes < 15 mm in short axis) with rising serum CA15-3 or CA 27.29 or CEA documented by two consecutive measurements taken at least 14 days apart with the most recent measurement being within 42 days prior to registration. The second CA 15-3 or CA 27.29 value must have at least a 20% increase over the first and for CA 15-3 or CA27.29 be greater than or equal to 40 units/mL or for CEA be greater than or equal to 4 ng/mL At least 1 tumor 10mm in diameter or greater OR lymph node of at least 15 mm in short axis At least 1 lesion of ? 10 millimeters (mm) in the longest diameter for a non-lymph node or ? 15 mm in the short-axis diameter for a lymph node which is serially measurable according to Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 using computerized tomography (CT) or magnetic resonance imaging (MRI). Have measurable disease at Screening by computed tomography (CT) (or magnetic resonance imaging [MRI]) as defined by at least 1 lesion of greater than or equal to 1.5 cm in the longest diameter for a non-lymph node or greater than or equal to 1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to the modified RECIST criteria Measurable disease per RECIST version (v)1.1 criteria: at least 1 lesion of > 10 mm in long axis diameter for non-lymph nodes or > 15 mm in short axis diameter for lymph nodes that is serially measurable according to RECIST 1.1 using computerized tomography, magnetic resonance imaging, or panoramic and close-up color photography Presence of measurable disease meeting the following criteria: at least 1 lesion of > 10 mm in long axis diameter for non-lymph nodes or > 15 mm in short axis diameter for lymph nodes that is serially measurable according to RECIST version 1.1 using computerized tomography, magnetic resonance imaging, or panoramic and close-up color photography DLBCL participants must have the following malignancy criteria: measurable and evaluable disease per tumor response criteria and ? 1 tumor mass that is ? 15 mm (long axis of lymph node) or ? 10 mm (short axis of lymph node or extra nodal lesions) on spiral CT scan; failed 2 standard lines of therapy (at least one containing an anti-CD20 monoclonal antibody), or for whom such treatment is contraindicated. Patients with the presence of at least one lesion with measurable disease as defined by 10 mm in longest diameter for a soft tissue lesions or 15 mm in short axis for a lymph node by RECIST 1.1 Patients with the presence of at least one lesion with measurable disease as defined by 10 mm in longest diameter for a soft tissue lesions or 15 mm in short axis for a lymph node by RECIST 1.1 and irRC criteria for response assessment Participants must have metastatic, unresectable locally advanced, or locally recurrent HER2-positive breast cancer; for the phase II portion of the study, it is required that participants have measurable disease, as defined by RECIST 1.1, which can be accurately evaluated on computerized tomography (CT) or magnetic resonance imaging (MRI); measurable disease is defined as: at least one lesion of > 10 mm in the longest diameter for a non-lymph node or > 15 mm in the short-axis diameter for a lymph node which is serially measurable according to RECIST 1.1.criteria At least one lesion of at least 1.0 cm in the long-axis diameter for a non-lymph node or at least 1.5 cm in the short-axis diameter for a lymph node which is serially measurable according to Response Evaluation Criteria in Solid Tumors 1.1 (RECIST 1.1) using either computerized tomography (CT) or magnetic resonance imaging (MRI). If there is only one target lesion and it is a non-lymph node, it should have a longest diameter of at least 1.5 cm. Have histologically or cytologically proven invasive breast cancer, locally recurrent or metastatic, with at least one measurable lesion according to RECIST v 1.1; measurable disease is defined as: at least one lesion of >= 10 mm in the longest diameter for a non-lymph node or >= 15 mm in the short-axis diameter for a lymph node which is serially measurable according to RECIST criteria, using computed tomography (CT) or magnetic resonance imaging (MRI) Has measurable disease (at least one lesion, not irradiated within 12 weeks of study randomisation, with longest diameter more or equal 10mm (lymph nodes minimum more or equal 15 mm) with CT or MRI). Measurable disease according to RECIST 1.1; at least one lesion of at least 1.0 cm in the long-axis diameter for a non-lymph node or at least 1.5 cm in the short-axis diameter for a lymph node which is serially measurable according to RECIST 1.1 using either computed tomography (CT) or magnetic resonance imaging (MRI); if there is only one target lesion and it is a non-lymph node, it should have a longest diameter of at least 1.5 cm Presence of measurable disease meeting the following criteria:\r\n* At least one lesion of >= 1.0 cm in long axis diameter for non-lymph nodes or >= 1.5 cm in short axis diameter for lymph nodes that is serially measurable according to RECIST 1.1 using either computerized tomography or magnetic resonance imaging or panoramic and close-up color photography with caliper measurement; if there is only one target lesion and it is a not a lymph node, it should have a long-axis diameter of at least 1.5 cm\r\n* Lesions that have had radiotherapy must show radiographic evidence of disease progression based on RECIST 1.1 may be deemed a target lesion Have at least one radiologically measurable lesion as per RECIST v1.1 defined as a lesion that is at least 10 mm in longest diameter or lymph node that is at least 15 mm in short axis imaged by CT scan or MRI and obtained by imaging within 28 days prior to start of study treatment. Tumor lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions. At least 1 measurable breast cancer lesion that is ? 10mm in one dimension (or ?15mm in shortest axis for lymph nodes) by spiral CT scan or by brain MRI At least 1 lesion of >=10 millimeter (mm) in long axis diameter for nonlymph nodes or >=15 mm in short axis diameter for lymph nodes that is serially measurable according to Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) using computerized tomography (CT) or magnetic resonance imaging (MRI) or panoramic and close-up color photography. Size: Lesion can be accurately measured in at least one dimension with a longest diameter ? 10mm, or for lymph nodes ? 15mm short axis. Lesions meeting size criteria will be considered measurable. Patients with measurable disease per RECIST 1.1 criteria\r\n* At least one lesion of >= 1.5 cm in long-axis diameter for non lymph nodes or >= 1.5 cm in short-axis diameter for lymph nodes which is serially measurable according to RECIST 1.1 using either computerized tomography (CT) or magnetic resonance imaging (MRI)\r\n* Lesions that have had radiotherapy must show evidence of progressive disease (PD) based on RECIST 1.1 to be deemed a target lesion At least one lesion of greater than or equal to 1.0 cm in long-axis diameter for non lymph nodes or greater than or equal to 1.5 cm in short-axis diameter for lymph nodes which is serially measurable according to RECIST 1.1 using either computerized tomography or magnetic resonance imaging or panoramic and close-up color photography. At least 1 lesion of ?10 millimeters (mm) in the longest diameter for a nonlymph node or ?15 mm in the short axis diameter for a lymph node that is serially measurable according to Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 using computerized tomography (CT) or magnetic resonance imaging (MRI); Diagnosis\r\n* Arm 1: subject must have a documented diagnosis of prostate cancer with evidence of lymph node involvement (with a short axis diameter of >= 1.5 cm on a conventional computed tomography [CT] or MRI obtained within 8 weeks of the ferumoxytol imaging procedure)\r\n* Arm 2: subject must have a documented diagnosis of bladder cancer (transitional cell carcinoma) with evidence of lymph node involvement (with a short axis diameter of >= 1.5 cm on a conventional CT or MRI obtained within 8 weeks of the ferumoxytol imaging procedure)\r\n* Arm 3: subject must have a documented diagnosis of kidney cancer (all renal cell cancer types) with evidence of lymph node involvement (with a short axis diameter of >= 1.5 cm on a conventional CT or MRI obtained within 8 weeks of the ferumoxytol imaging procedure) Measurable disease meeting the following criteria:\r\n* At least 1 lesion of >= 1.0 cm in the longest diameter for a non-lymph node or >= 1.5 cm in the short-axis diameter for a lymph node which is serially measurable according to RECIST 1.1 using computerized tomography/magnetic resonance imaging (CT/MRI); if there is only one target lesion and it is a non-lymph node, it should have a longest diameter of >= 1.5 cm\r\n* Lesions that have had external beam radiotherapy (EBRT) or loco-regional therapies such as radiofrequency (RF) ablation must show evidence of progressive disease based on RECIST 1.1 to be deemed a target lesion As measured by conventional high spatial resolution MRI, the minimum diameter of the primary lesion (short axis) should be at least 5 mm At least 1 lesion of ?1.0 cm in the longest diameter for a non-lymph node or ?1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to RECIST 1.1 using CT/MRI. Histologically or cytologically confirmed solid tumors at any stage with at least one lesion (primary, metastatic, or recurrent) ? 1.5 cm in diameter documented by CT. If the lesion is located in a lymph node, the shortest diameter of the lymph node must be ? 1.5 cm as defined by RECIST 1.1. (Note: See Exclusion Criteria #1.) At least 1 lesion of ?1.0 cm in the longest diameter for a non-lymph node or ?1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to Response Evaluation Criteria in Solid Tumors (RECIST 1.1) using computed tomography/magnetic resonance imaging (CT/MRI). If there is only 1 target lesion and it is a non-lymph node, it should have a longest diameter of ?1.5 cm.