endoscopy ( n = 20 ) findings were : esophagitis ( 1 ) , hiatal hernia ( 2 ) , gastric mucosa in the lower esophagus ( 2 ) , biliary reflux ( 9 ) , gastritis ( 7 ) , gastric polyps ( 2 ) , dilated duodenum of variable degree ( 19 ) , diminished peristalsis ( 4 ) , marked retention ( 2 ) , abnormal papilla ( 3 ) , diverticuli ( 4 ) , and a persistent membrane ( 1 ) .
C0014868
esophagitis
C0014876
esophagus