Radiology General 9c796e6a Tumour, most sensitive to radiotherapy: March 2011, March 2013 (b, h) A Yolk sac tumour B Embryonal cell tumour C Teratoma D Seminoma High-Yield Explanation Ans. D: Seminoma Highly radiosensitive tumours are 1) hodgkin's disease, 2) seminoma, 3) wilm's tumour and 4) medulloblastoma