Daily Imaging, Target Identification, and Simulated Computed Tomography-Based Stereotactic Adaptive Radiotherapy Workflow in a Novel Ring Gantry Radiotherapy Device

Inclusion Criteria: * At least one disease site deemed to be suitable for simulated treatment with online adaptive radiotherapy per radiation oncology evaluation. * Scheduled to receive radiation therapy to the thorax (n = 8), pancreas (n = 8), non-pancreas abdomen (n = 8), or pelvis (n = 8). * At least 18 years of age * Able to understand and willing to sign an IRB-approved written informed consent document. Exclusion Criteria: * Pregnant and/or breastfeeding. Women of childbearing potential must have a negative pregnancy test within 14 days of study entry. If pregnancy test is not clinically indicated as determined by treating physician or protocol PI, documentation of this exception is sufficient in lieu of a pregnancy test.