<prompt> Most common site for carcinoma pancreas is -HeadBodyTailNeck  <response>: Ans. is a i.e., Head o Most common site for carcinoma pancreas is head. The distribution as follows - Head 75 Body 15 Tail 10o Ductal adenocarcinoma is the most common variety 90Also knowo Risk factors for pancreatic Ca Cigarette smoking is the most consistent risk factor As in other gastrointestinal cancers, diets high in fat and low in fibre, fruits and vegetables are thought to be associated with an increased risk,o Other risk factors are Chronic pancreatitis Diabetes Obesityo Alcohol abuse or cholelithiasis are not risk factors for pancreatic cancer. 