This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which one is not radiosensitive - 
Select and explain. 
A. Ewing's sarcoma, B. Lymphoma, C. Seminoma testis, D. Osteosarcoma
D: Osteosarcoma
Answer: D: Osteosarcoma 
Explanation: 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