This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal Tumors, Subject name: Surgery
[{'content': 'Nephroureterectomy is indicated in? \nSelect and explain. \nA. Renal carcinoma, B. Chronic pyelonephritis, C. Polycystic kidney disease, D. Transitional carcinoma of the pelvis extending till ureter', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) Transitional carcinoma of the pelvis extending till ureterREF: Sabiston 18th ed chapter 77The standard treatment of renal pelvis and upper ureteral urothelial carcinomas includes complete nephroureterectomy with excision of the distal ureteral cuff from the bladder', 'role': 'assistant'}]