[A Case of a Malignant Phyllodes Tumor of the Breast with Osteogenic Sarcoma Which Repeated Local Recurrence]
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The patient is a 39-year-old woman. At the age of 34, she recognized a 22 mm sized mass in the upper outer quadrant of her right breast, which was diagnosed as a fibroadenoma. 5 years later, the mass increased to 45 mm. We performed lumpectomy which led to a d... ...
