title: An unusual case of malignant cystosarcoma phyllodes of the breast.
abstract: A unusually large tumor of the left breast diagnosed as a cystosarcoma phyllodes with multiple malignant sarcomatous changes of the stroma, consisting of liposarcoma, myxoid fibrosarcoma, anaplastic, and giant cell sarcoma is described. The weight of 6200 g (13.5 lb) seems to be the largest so far presented in the literature reviewed by the authors.
mesh_terms: D001943:Breast Neoplasms / Q000473:pathology* / Q000628:therapy; D005260:Female; D006801:Humans; D003557:Phyllodes Tumor / Q000473:pathology* / Q000628:therapy