Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of days ( years); noninvasive cancers (for example, carcinoma in situ of the breast, oral cavity, or cervix) are permitted even if diagnosed and treated < years ago Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of days ( years); noninvasive cancers (for example, carcinoma in situ of the breast, oral cavity, or cervix are all permissible) are permitted even if diagnosed and treated < years ago Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of years; noninvasive cancers (for example, carcinoma in situ of the breast, oral cavity, or cervix are all permissible) are permitted even if diagnosed and treated < years ago; patients with simultaneous primaries or bilateral tumors are excluded, with the exception of patients with bilateral tonsil cancers or patients with primary tumor (T)-, nearby lymph nodes (N), metastasis (M) resected differentiated thyroid carcinoma, who are eligible Patient must not have a history of prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of years; noninvasive cancers (for example, carcinoma in situ of the oral cavity, larynx, breast or cervix are all permissible) are permitted even if diagnosed and treated < years ago