<prompt> The Lymph node to be involved in Cancer Gall bladder to be called as M1 Stage?Inter aortocaval nodeSuperior mesenteric nodeCoeliac nodePancreatico duodenal node  <response>: Ans. a interaortocaval NodeRef: Blumgart 6th Edition Page 788, 799 The first Manuever during Extended Cholecystectomy is to do Kocherisation and assess Aortocaval and Retro pancreatic nodes. The coeliac node must also be assessed; and Suspicious nodes sent for Frozen Section and if positive the procedure is terminated. N1 Metastases to nodes along cystic duct, common bile duct, hepatic artery, andor portal vein N2 Metastases to periaortic, pericaval, superior mesenteric artery, andor celiac artery nodes M1 Interaortocaval nodes 