This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'In a child which disease is misdiagnosed as appendicitis? \nSelect and explain. \nA. Gastroentritis, B. Lymphadenitis, C. Intussusception, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Gastroenteritis Differential diagnosis of acute appendicitis Mesenteric adenitis Meckel's diveiculitis Intussusception Henoch-Schonlein purpura Lobar pneumonia Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1209", 'role': 'assistant'}]