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Dissection of the lymph node numbers 7, 8, 9, 11p and 12a. CHA: common hepatic artery; GDA: gastroduodenal artery; LGA: left gastric artery; LGV: left gastric vein; PHA: portal hepatic artery; PV: portal vein; SpA: splenic artery; SpV: splenic vein.
