- Extrahepatic cholangiocellular carcinoma without invasion of major blood vessels (portal vein, hepatic arteries, coeliac trunk) Gastric adenocarcinoma Macroscopic surgical margin of 5 cm is needed to obtain complete tumour removal Pancreatic adenocarcinoma Tumours located in the head, body or tail of the pancreas without portal hypertension due to complete encasement of mesenteric/portal vein and collateral venous circulation