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Variations in intraductal papillary mucinous neoplasms of the pancreas including intraductal oncocytic papillary neoplasm. IPMNs of (a) gastric type, (b) intestinal type, and (c) pancreatobiliary type. (d) Intraductal oncocytic papillary neoplasm. All panels are H & E stained, ×100 original magnification. IPMNs, intraductal papillary mucinous neoplasms.
