Gallbladder: common cause of antral pad sign.
An impression on the posteroinferior aspect of the gastric antrum is often caused by a mass lesion in the pancreas. However, the gallbladder more commonly causes such as indentation. In any case of this "antral pad sign", a gallbladder impression should first be excluded.
D002765:Cholecystography; D003937:Diagnosis, Differential; D005704:Gallbladder; D006801:Humans; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging*; D011706:Pyloric Antrum / Q000000981:diagnostic imaging*