<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 48-year-old woman comes to the physician for the evaluation of a left breast mass that she noticed 4 weeks ago. It has rapidly increased in size during this period. Vital signs are within normal limits. Examination shows large dense breasts; a 6-cm, nontender, multinodular mass is palpated in the upper outer quadrant of the left breast. There are no changes in the skin or nipple. There is no palpable cervical or axillary adenopathy. Mammography shows a smooth polylobulated mass. An image of a biopsy specimen is shown. Which of the following is the most likely diagnosis?? A: Comedocarcinoma, B: Invasive ductal carcinoma, C: Fibroadenoma, D: Phyllodes tumor, E: Invasive lobular carcinoma,  <response>: This is a question about identifying the most likely breast cancer diagnosis based on clinical presentation and pathology image. The key findings in the stem are: - 48 year old woman with rapidly growing left breast mass over 4 weeks - Large 6cm multinodular mass in upper outer quadrant of left breast- Mammogram shows smooth polylobulated mass- Biopsy shows leaf-like architecture with cellular stromaThese findings are most consistent with a phyllodes tumor, which often presents as a rapidly growing painless breast mass in middle-aged women. The leaf-like architecture and cellular stroma on pathology are classic for phyllodes tumor. D: Phyllodes tumor 