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: Pathology
[{'content': 'Clear cell renal carinoma is due to ? \nSelect and explain. \nA. 3p deletion, B. 3q deletion, C. 6p deletion, D. 9p deletion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. 3p deletionClear cell- cell origin (proximal tubule)- 3p deletions (3p-), VHL gene mutations, 5q gains', 'role': 'assistant'}]