Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy, including brachytherapy, to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields except patients who have progressed following stereotactic radiosurgery for 1-3 brain metastases, with at least one new lesion Prior radiotherapy to the region of the liver that would result in excessive doses to normal tissues due to overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the liver that would result in overlap of radiation therapy fields Prior radiotherapy to the head or neck (except for T1 glottic cancer), resulting in overlap of radiation fields Prior radiotherapy to the head or neck (except for T1 glottic cancer), resulting in overlap of radiation fields Prior receipt of radiotherapy that would result in overlap of the new and old radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields Prior radiotherapy, including brachytherapy, to the region of the study cancer that would result in overlap of radiation therapy treatment volumes Prior radiotherapy to the region of the study cancer that would result in overlap of radiation therapy fields (to include Y90)