Surgery All of the following are true regarding cystosarcoma phyllodes except A Cut surface appears like leaf B Mastectomy preferred for malignant tumors C Arise from a single epithelial cell type D Excision biopsy for diagnosis in benign tumors. 💡 Explanation All of the following are true regarding cystosarcoma phyllodes except ✓ Correct Answer: C. Arise from a single epithelial cell type