Phyllodes Tumor

Cystosarcoma Phylloides; Malignant Cystosarcoma Phyllodes; Cystosarcoma Phyllodes, Malignant; Phyllodes Tumors; Tumor, Phyllodes; Tumors, Phyllodes
A type of connective tissue neoplasm arising from intralobular stroma of the BREAST. It is characterized by the rapid enlargement of an asymmetric firm mobile mass. Histologically, its leaf-like stromal clefts are lined by EPITHELIAL CELLS.