title: [Clinical study on massive ovarian tumor observed at the Department of Gynecology-Obstetrics, Keio University Hospital].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008875:Middle Aged; D010051:Ovarian Neoplasms / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery; D011379:Prognosis