title: [Appendiceal cyst erroneously taken for a retroperitoneal tumor].
mesh_terms: D000328:Adult; D001065:Appendix; D003560:Cysts / Q000175:diagnosis*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*
vernacular_title: Kista cherveobraznogo otrostka, oshibochno priniataia za retroperitoneal'nuiu opukhol.