title: A rare case of precoccygeal endometriosis.
authors.forename: Ronald E
authors.initials: RE
authors.lastname: Batt
authors.forename: Shashikant B
authors.initials: SB
authors.lastname: Lele
authors.forename: John
authors.initials: J
authors.lastname: Yeh
mesh_terms: D004715:Endometriosis / Q000175:diagnosis*; D005260:Female; D006801:Humans; D009095:Mullerian Ducts / Q000002:abnormalities* / Q000196:embryology; D012445:Sacrococcygeal Region / Q000002:abnormalities / Q000196:embryology