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: Radiology
[{'content': 'Hyperfractioned radiotherapy is used in \nSelect and explain. \nA. Lung cancer, B. Melanomas, C. Soft tissue sacromas, D. All the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hyperfractionation - Lung cancer.\nHypofractionation - Melanomas, Soft tissue sarcomas.', 'role': 'assistant'}]