<prompt> Common cause of chronic pancreatitis:Chronic alcohol intakeTraumaPancreas divisumGallbladder stones  <response>: - Chronic Pancreatitis - MC cause - chronic alcohol intakesmoking Aetiology: TIGAR-O-Classification: T: Toxic metabolic I: Idiopathic G: Genetic A: Auto immune R: Recurrent severe O: Obstructive Note: Rare causes: Congenital abnormalities such as: 1. Pancreas divisum2. Annular pancreas 