This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'All are seen in von hippel lindau syndrome except \nSelect and explain. \nA. Renal cysts, B. Hemangioblastoma, C. Renal clear cell carcinoma, D. Gastric carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: von Hippel - Lindau (VHL) disease is an autosomal dominant cancer syndrome from mutation in tumour suppressor VHL gene located on chromosome 3p. It includes: haemangioblastoma of the cerebellum, retinal angiomas, multiple RCC (clear cell type), pheochromocytoma and cysts in different organs. Reference : page 694 Textbook of pathology Harshmohan 6th edition', 'role': 'assistant'}]