Figure 1From: Single-incision laparoscopic cholecystectomy for cholecystolithiasis coinciding with cavernous transformation of the portal vein: report of a case Arrows show two distended collateral veins, flowing extra-hepatically to the edge of the posterior segment of the liver, both of which were to be sacrificed (a, b). The extra-hepatic portal vein was occluded near the spleno-portal junction (c, d).Back to article page