Primary retroperitoneal hydatid cyst.
D001706:Biopsy; D003937:Diagnosis, Differential; D004443:Echinococcosis / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D007194:India; D007239:Infections / Q000209:etiology; D007680:Kidney Neoplasms / Q000175:diagnosis; D008875:Middle Aged; D011859:Radiography; D012187:Retroperitoneal Space