hepatopancreatoduodenectomy

== English == === Etymology === From hepato- +‎ pancreatoduodenectomy. === Noun === hepatopancreatoduodenectomy (plural hepatopancreatoduodenectomies) (surgery) A major surgical procedure involving en bloc resection of the liver, pancreas, and duodenum, typically performed to treat advanced malignancies of the biliary tract or periampullary region.