<prompt> Common sites for Cushing ulcers include all of the following exceptEsophagusStomachIst pa of duodenumDistal duodenum  <response>: Cushings ulcers are Stress ulcers that are associated with intracranial injury or an increase in intracranial pressure. About the site of involvement in Cushings ulcer the maximum information I could get was from Robins. It states Gastric, duodenal and esophageal ulcers arising in patients with intracranial injury, operation or tumors are designated Cushing ulcer So the best option to rule out is distal duodenum, as almost all duodenal ulcers are located in the proximal pa. Also know Cushings ulcers are more prone to perforate than other stress ulcers. Ref : Robbins Basis 8e p775 