[sis″to-sahr-ko´mah] an unusually large fibroadenoma of the mammary gland, with a cellular, sarcoma-like stoma; it is locally aggressive and sometimes metastasizes.
cys·to·sar·co·ma
(sis'tō-sar-kō'mă), A sarcoma in which cysts or cystlike foci have formed.
cys·to·sar·co·ma
(sis'tō-sahr-kō'mă) A sarcoma in which the formation of cysts or cystlike foci has occurred.