cystosarcoma phyllodes /sis′tōsärkō″mə filō″dēs/ , a malignant stromal breast tumor that grows rapidly and tends to recur if not adequately excised.

cystosarcoma phyllodes /sis′tōsärkō″mə filō″dēs/ , a malignant stromal breast tumor that grows rapidly and tends to recur if not adequately excised.