upper left: z line
(squamocolumnar junction of esophagus & stomach mucosa)
well demarcated; small hiatus hernia with diaphragmatic hiatus visible
2cm below z line
upper right: pylorus opening & prepyloric antrum (distal
stomach)
lower left: normal duodenal bulb mucosa
lower right: portion of duodenal bulb with prominent Brunner's
glands hyperplasia |