<prompt> Most common cause of chronic pancreatitis isAlcoholGallstonesTropical pancreatitisERCP  <response>: Etiology of Chronic Pancreatitis Heavy alcohol consumption is most common cause of CP 70-80 Smoking increases the risk of alcohol induced CP Other causes : Chronic duct obstruction, trauma, pancreas divisum, cystic dystrophy of the duodenal wall, Hyperparathyroidism, hyperiglyceridemia, autoimmune pancreatitis, tropical pancreatitishereditary pancreatitis accounts for 10 of all cases Ref:Sabiston 20th edition Pgno :1531 