Phase : Measurable disease meeting the following criteria: Patients meeting any one of these exclusion criteria will be prohibited from participating in this study. Significant organ dysfunction, not meeting inclusion criteria Any patient not meeting institutional standard guidelines for transplant eligibility Meeting the criteria for symptomatic multiple myeloma (hypercalcemia renal [kidney] impairment, anemia, bone lesions \[CRAB] criteria) before the initiation of systemic chemotherapy Patients for whom a plan meeting institutional quality criteria cannot be designed for SBRT treatment via the MRI-guided teletherapy unit, but for whom an SBRT plan meeting institutional quality criteria can be designed for a conventional linear accelerator Unilateral or bilateral disease meeting study criteria Donor meeting of the following criteria: Any patient not meeting the eligibility criteria The presence of measurable disease meeting the following criteria: Meeting the protocol definition of TNmCRC assessed in the screening blood test. Multiple myeloma meeting the following criteria: Active disease meeting at least of the following IWCLL criteria for requiring treatment: Disease-related: meeting one of the following diagnosis Active disease meeting ? of the following IWCLL criteria for requiring treatment Active disease meeting ? of the following IWCLL criteria for requiring treatment. Measurable disease based on investigator's assessments meeting the following criteria: Must have documented progressive disease by meeting at least one of the Prostate Cancer Working Group Criteria Positive serology for HTLV or . Furthermore and prior to lymphodepleting chemotherapy, a subject meeting the following criteria is not eligible for participation in the study: Patients must have progressive mCRPC defined by meeting at least one of the following criteria: At least one measurable target lesion according to mRECIST meeting the following criteria: Subject is ineligible for intensive induction chemotherapy by meeting at least of the following criteria: Subjects have active disease meeting the IWCLL published criteria. Presence of measurable disease meeting the following criteria: Has, at screening, serologic laboratory tests meeting one or more of the following criteria: Has, at screening, safety laboratory tests meeting one or more of the following criteria: mTNBC (confirmed from most recent tissue sample) meeting the following criteria: Presence of measurable disease meeting the following criteria: Cardiac or peripheral vascular disease meeting any of the following criteria: Patient must have an advanced stage malignancy defined as meeting at least one of the following criteria: Measurable multiple myeloma disease, defined as meeting at least one of the following criteria within days prior to first dose of study drug: They are ineligible by virtue of meeting any exclusion criteria listed above Laboratory values meeting the following criteria: Presence of measurable disease meeting the following criteria: Radiologically measurable disease meeting the following criteria: Completed primary treatment (surgery, chemotherapy, and/or radiation) at minimum - weeks before the first group meeting, and maximum months before the first group meeting, which approximates the re-entry phase of cancer survivorship. Providing the majority of the informal (unpaid) care during RT for a patient meeting inclusion criteria Multiple myeloma meeting the following criteria: Participants who were eligible for the main trial with the exception of not meeting BMI criteria for obesity Part , Expansion: Participants must have measurable disease meeting the following criteria: i. Subjects with HCC: At least measurable target lesion according to mRECIST Measurable disease meeting the following criteria and confirmed by central radiographic review: