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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
In pylorus, Pancreatoduodenectomy preserving following is not resected
assistant
The correct answer is  Answer- A. Pyloric antrumThe standard resection for a tumour of the pancreatic head or the ampulla is a pylorus-preserving pancreatoduodenectomy (PPPD).