The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 59-year-old woman comes to the physician 2 weeks after noticing a lump in her left breast. Examination of the left breast shows a firm, nontender mass close to the nipple. Mammography shows an irregular calcified mass. A core needle biopsy shows invasive ductal carcinoma. Genetic analysis of this patient's cancer cells is most likely to show overexpression of which of the following genes?   (A) HER2   (B) BCR-ABL   (C) BRCA-2   (D) BCL-2
['(A) HER2 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) HER2 \n (B) BCR-ABL \n (C) BRCA-2 \n (D) BCL-2 <> possible answers', "  A 59-year-old woman comes to the physician 2 weeks after noticing a lump in her left breast. Examination of the left breast shows a firm, nontender mass close to the nipple. Mammography shows an irregular calcified mass. A core needle biopsy shows invasive ductal carcinoma. Genetic analysis of this patient's cancer cells is most likely to show overexpression of which of the following genes? <> context@"]