RIENHOFF,1 in discussing the surgical treatment of gastroduodenal ulceration, stated that, regardless of the surgeon or the type of operation performed, when gastric and jejunal mucosa are joined in the presence of acid chyme a certain number of patients will suffer from postoperative complications similar to the original complications of the primary ulcer for which the operation was performed. The truth of this statement has been convincingly demonstrated in appraisals of the remote results of gastroenterostomy, and in fact the frequency of recurrent jejunal ulcer following this operation has been the chief reason for the almost general abandonment of it. Gastric resection, moreover, while yielding results superior to those of gastroenterostomy, is attended by a definite although small percentage of failures due to the development of a secondary ulcer at or near the gastroenteric stoma. The duodenal exclusion operations, in the opinion of most surgeons, are the least satisfactory