Jump: MR Simulation For Radiation Therapy Master Protocol

Inclusion Criteria: * Participants must have a confirmed malignancy requiring radiation therapy. * Age: 18 years or older * ECOG performance status ≤2 (Karnofsky ≥60%, see Appendix A) * Ability to understand and the willingness to sign a written informed consent document. * Disease-specific eligibility criteria will be specified in the appropriate subprotocol. Exclusion Criteria: * For MRI involving contrast, history of allergic reactions attributed to gadolinium based IV contrast. Note: If patient will not receive contrast, this is not applicable * Participants who cannot undergo an MRI * Disease-specific exclusion criteria will be specified in the appropriate subprotocol