title: [Appendiceal cyst simulating a retroperitoneal tumor].
mesh_terms: D001065:Appendix / Q000473:pathology*; D002429:Cecal Diseases / Q000175:diagnosis*; D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*
vernacular_title: Kista cherveobraznogo otrostka, imitirovavshaia zabriushinnuiu opukhol'.