This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': 'Patient is on Autocoids for 1 year now complains of severe pain Epigastrium relieved by antacid drugs. He complaints of Right Iliac fossa pain and loss of liver dullness. Diagnosis is: \nSelect and explain. \nA. Perforation of duodenum, B. Diverticulitis, C. Gastroenteritis, D. Enteric perforation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Perforation of duodenum* This is a clear-cut case of drug induced ulcer and perforation - Duodenal ulcer perforation* Features are diffuse abdominal pain with right iliac fossa pain due to tracking of pus in right colic gutter - Valentino Syndrome* Obliteration of liver dullness* Board like rigidity', 'role': 'assistant'}]