input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 33-year-old woman at 17-weeks gestation comes to the physician for evaluation of a painless mass in the right breast for the last 3 weeks that has not increased in size. Physical examination shows dense breasts and a 2.5-cm rubbery, mobile mass that is nontender in the upper outer quadrant of the right breast. A biopsy of the mass shows rounded contour with overgrowth of fibrous and glandular tissue. Which of the following is the most likely diagnosis?   (A) Fibroadenoma   (B) Normal pregnancy-related changes   (C) Fat necrosis   (D) Phyllodes tumor
output: ['(A) Fibroadenoma <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Fibroadenoma  (B) Normal pregnancy-related changes  (C) Fat necrosis  (D) Phyllodes tumor <> possible answers', '  A 33-year-old woman at 17-weeks gestation comes to the physician for evaluation of a painless mass in the right breast for the last 3 weeks that has not increased in size. Physical examination shows dense breasts and a 2.5-cm rubbery, mobile mass that is nontender in the upper outer quadrant of the right breast. A biopsy of the mass shows rounded contour with overgrowth of fibrous and glandular tissue. Which of the following is the most likely diagnosis? <> context']