system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The commonest pancreatic tumour is -
assistant
The correct answer is  Ans. is 'a' i.e., Ductal adenocarcinoma Grainger writes - "Tumors both benign and malignant, may arise in the exocrine or endocrine tissue of the pancreas. The commonest of these is ductal adenocarcinoma."