has characteristic has characteristic phyllodes tumor malignant mixed neoplasm malignant phyllodes tumor A phyllodes tumor with sarcomatous stroma. The sarcomatous component is usually of the fibrosarcomatous type. Liposarcomatous, chondrosarcomatous, osteosarcomatous, or rhabdomyosarcomatous differentiation may also occur in the stroma. It may recur and metastasize following surgical resection. The lung and skeleton are the anatomic sites most frequently involved by metastases. phyllodes tumor, malignant MEDGEN:109372 malignant phyllodes neoplasm malignant cystosarcoma phyllodes malignant phyllodes tumor NCIT:C4275 ICDO:9020/3 MONDO:0037003 UMLS:C0600066 neoplastic, malignant