<prompt> Which one is not radiosensitive -Ewings sarcomaLymphomaSeminoma testisOsteosarcoma  <response>: Ans is d ie Osteosarcoma The question should have been framed differently - which one is least radiosensitive. Osteosarcoma is least radiosensitive out of the four. Radiosensitivity of different tumors A Highly Sensitive C Relatively resistant Lymphoma Sq cell Ca of lung Seminoma Hypernephroma Myeloma Ewings Rectal Carcinoma , Bladder carcinoma Wilms tumor Soft tissue sarcoma Ca cervix B Moderately sensitive D Highly resistant Small cell Ca of lung Melonaoma Breast cancer Osteosarcoma Basal cell Ca Pancreatic Medulloblastoma Teratoma Ovarian cancer 