What is the most frequent general surgical problem in your country? An international panel reports.
D000462:Algeria; D001938:Brazil; D002681:China; D004443:Echinococcosis / Q000453:epidemiology; D004931:Esophageal Achalasia / Q000453:epidemiology; D005602:France; D006115:Greece; D006801:Humans; D006975:Hypertension, Portal / Q000453:epidemiology; D007415:Intestinal Obstruction / Q000453:epidemiology; D007564:Japan; D008531:Megacolon / Q000453:epidemiology; D009017:Morbidity; D009369:Neoplasms / Q000453:epidemiology; D009390:Nepal; D010438:Peptic Ulcer Hemorrhage / Q000453:epidemiology; D010439:Peptic Ulcer Perforation / Q000453:epidemiology; D013514:Surgical Procedures, Operative