<prompt> A 65 years old patient with coronary aery disease was on Aspirin for 2 years. He now complains of black stools. Abdominal examination is normal. What is the most probable diagnosisIleocecal TBCa colonEsophageal varicesDuodenel ulcer  <response>: Peptic ulcer 55- ulcer bleeding is precipitated by NSAIDs like aspirin. Reference SRB 5th edition page no. 990 