title: Malignant transformation in ovarian endometriosis.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology; D000328:Adult; D001706:Biopsy; D002471:Cell Transformation, Neoplastic; D004715:Endometriosis / Q000473:pathology*; D004847:Epithelial Cells; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D010048:Ovarian Cysts / Q000150:complications; D010051:Ovarian Neoplasms / Q000473:pathology*