This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'Which of the following breast tumor is bilateral \nSelect and explain. \nA. Colloid carcinoma, B. Invasive ductualr carcinoma, C. Invasive Lobular carcinoma, D. Medullary carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Refer Robbins page no 1059 Invasive ductal carcinoma was repoed to be the most common type found in 10 (71.5%) breasts. Grade III breast carcinoma was revealed in 9 and Grade I cancer in 3 specimens. CONCLUSION: Bilateral breast cancer is invariably advanced when diagnosed. Mammogram is a valuable tool in early detection..', 'role': 'assistant'}]