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: Surgery
[{'content': 'Painless haematuria is found in all EXCEPT: \nSelect and explain. \nA. Cystitis, B. Renal carcinoma, C. Chronic glomerulonephritis, D. PCKD', 'role': 'user'}, {'content': "Answer: A \nExplanation: Cystitis REF: William's 22' ed chapter48 Cystitis is characterized by dysuria, urgency and hematuria", 'role': 'assistant'}]