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
[{'content': 'BRCA 2 gene is associated with carcinoma of \nSelect and explain. \nA. Breast, B. Lung, C. Liver, D. Gastric carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The genes associated with breast cancers are p53, BRCA1 and BRCA2. BRCA2 is located on chromosome 13q and there is an association with male breast cancer. While BRCA1 gene has been associated with an increased incidence of breast and ovarian cancer and is located on the long arm of chromosome 17(17q). Reference : Bailey & Love, 27th Edition, page no =880.', 'role': 'assistant'}]