(1) The esophagus, antrum, pylorus , and duodenum were unremarkable.(2) Unless a duodenal switch is performed to lessen absorption, the pylorus and small intestine remain intact.(3) If it is exactly in the midline, it may be the duodenal bulb, the pylorus , or the distal antrum.(4) A septum of connective tissue separates the circular muscle layers of the pylorus and duodenum.(5) A clear catheter entered the stomach at the gastrostomy site and had passed the pylorus into the duodenum.
