title: Ultrastructural study of endometrial stromal sarcoma or stromal endometriosis.
mesh_terms: D004715:Endometriosis / Q000473:pathology*; D004717:Endometrium / Q000648:ultrastructure; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D012509:Sarcoma / Q000473:pathology*; D002583:Uterine Cervical Neoplasms / Q000473:pathology*