Radiology Radiotherapy 3f3f4b37 Radioresistant tumor is - A Ewings sarcoma B Retinoblastoma C Osteosarcoma D Neuroblastoma High-Yield Explanation Ans. is 'c' i.e., Osteosarcoma o Most radio-resistant tumors areOsteosarcomaMelanomaHepatic carcinomaPancreatic carcinoma