This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
[{'content': 'The most radio sensitive tumor amongst the following is: \nSelect and explain. \nA. Small cell lung cancer, B. Seminoma, C. Soft tissue sarcoma, D. Osteosarcoma', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) SeminomaRef: Devita Th/1907* Most radiosensitive tumor: HL > Ewings* Most radiosensitive tumor of head and Neck: Nasopharyngeal CA > Glottic CARadiosensitivity of tumorsHighly sensitiveModerate sensitiveRelatively ResistantHighly Resistant# Ewing's sarcoma# Lymphoma# Wilms tumor# Multiple Myeloma# Seminoma# Nasopharyngeal CA# Dysgerminoma# Medulloblastoma# Small Cell Cancer lung# Breast Cancer# Ovarian Cancer# Basal cell cancer# Nasopharyngeal Cancer# Dysgerminoma# Small Cell Cancer lung# Breast Cancer# Ovarian Cancer# Basal cell cancer# Renal cell CA# Rectal/ colon cancer# Bladder Carcinoma# Soft tissue sarcoma Squamous cell carcinoma of lung# Cervix cancer# Hepatoma# Melanoma# Pancreatic cancer# Osteosarcoma", 'role': 'assistant'}]