This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
Bilateral, multicentric type of carcinoma in breast is usually 
Select and explain. 
A. Mucoid carcinoma, B. Invasive lobular carcinoma, C. Infiltrating ductal carcinoma, D. Non-infiltrating ductal carcinoma
B: Invasive lobular carcinoma
Answer: B: Invasive lobular carcinoma 
Explanation: .classification of breast carcinoma includes . (a) In situ carcinoma * DCIS (Ductal carcinoma in situ). * LCIS (Lobular carcinoma in situ). (b) Invasive. * Invasive ductal carcinoma. * Invasive lobular carcinoma. It is commonly multifocal and often bilateral. ref:SRB&;s manual of surgery,ed 3,pg no 468