cystosarcoma phyllodes

cys·to·sar·co·ma phyl·lo'des

a circumscribed or infiltrating fibroadenomatous tumor that may be partly cystic, of the breast, prostate, or other organs and either benign or malignant; the stroma is cellular and resembles a fibrosarcoma.

cys·to·sar·co·ma phyl·lodes

(sistō-sahr-kōmă filō-dēz) Circumscribed or infiltrating fibroadenomatous tumor that may be partly cystic, of the breast, prostate, or other organs and either benign or malignant.