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Surgical field of interest for laparoscopic cholecystectomy showing important anatomical landmarks. Anterior/medial view (A) and posterior/lateral view (B) of the hepatocystic triangle and adjoining areas. CBD, common bile duct; Du, duodenum; HA, hepatic artery; RS, Rouviere’s sulcus; Sg4, segment 4; UF, umbilical fissure.
