This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy Pa 1, Subject name: Radiology
[{'content': 'Electron Beam Radiotherapy is used in treatment of? \nSelect and explain. \nA. Deep Seated Brain Tumors, B. Skull Base Chordomas, C. Mycosis Fungoides, D. Lung Cancer', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Electron Beam Radiotherapy MC used for Intraopeive Used for Superficial Cancers like Mycosis Fungoides. Tumours of Eyelids & lips Skull Base Chordomas/Deep Seated Brain Tumors are usually treated by Proton Beam Radiotherapy', 'role': 'assistant'}]