NCIt related terms : Cystosarcoma phyllodes, benign; Phyllodes tumor, benign;
NCIt definition : A benign, circumscribed fibroepithelial neoplasm arising from the breast and rarely
the prostate gland. It is characterized by the presence of epithelial structures which
are arranged in clefts and by a hypercellular mesenchymal stroma which is organized
in leaf-like structures. There is no evidence of cellular atypia or sarcomatous features.;