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: Anatomy
[{'content': 'Most common symptom of chronic pancreatitis is \nSelect and explain. \nA. Abdominal pain, B. Cachexia, C. Weight loss, D. Steatorrhoea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Clinical features of Chronic pancreatitis Classical triad : DM+ Pancreatic calcification + Steatorrhea(DPS) Abdominal pain is the primary manifestation and most common symptom of CP Intensity, frequency & duration of pain gradually increase with worsening disease Pancreatic inflammation and fibrosis decrease the number & function of acinar cells At least 90% of the gland needs to be dysfunctional before steatorrhoea, diarrhea and other symptoms of malabsorption develop Exocrine insufficiency occurs in 80-90% of patients with long standing CP Diabetes is developed in 40-80% of patients, typically occurs many years after the onset of abdominal pain and pancreatic Exocrine insufficiency Ref: Sabiston 20th edition Pgno :1531', 'role': 'assistant'}]