,Upon entering the duodenal bulb there was extensive erythema and mild erosions, less than 3 mm in length, in first portion of duodenum, duodenal bulb and junction of first and second part of the duodenum. 
,Upon entering the duodenal bulb there was extensive erythema and mild erosions , less than 3 mm in length , in first portion of duodenum , duodenal bulb and junction of first and second part of the duodenum .