title: Unusual side effect of megestrol acetate.
mesh_terms: D000230:Adenocarcinoma / Q000188:drug therapy; D004715:Endometriosis / Q000188:drug therapy; D005260:Female; D006801:Humans; D008535:Megestrol / Q000009:adverse effects* / Q000627:therapeutic use; D008875:Middle Aged; D010051:Ovarian Neoplasms / Q000188:drug therapy; D010146:Pain / Q000139:chemically induced*
chemical_list: D008535:Megestrol