Segmental anatomy of liver. Liver is divided into 8 segments by DAV structures (bile duct, hepatic aery, poal vein) Poal vein is most impoant among them Left hepatic vein separates medial & lateral segments Right hepatic vein separates anterior & posterior segments Poal vein separates upper & lower segments From surgical perspective, right hepatectomy - involve division of liver in principle plane in which segment V, VI, VII, VIII would be removed leaving segments I, II, III, IV Hepatic vein is now removed from couinaud's classification
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