a novel method for subtotal gastric resection is described with the construction of an isoantiperistaltic artificial stomach formed from the small intestine and the duodenum at treitz 's ligament without any intestinal inserts , brown 's and roux 's anastomoses , and with an invaginated anastomosis between the stomach and the reservoir measuring 1.5-2 cm in length .
C0021852
small intestine
C0013303
duodenum