Preserved portal uptake of ICG in differentiated HCC cells by NTCP and OATP8 with concomitant biliary excretion disorders causes accumulation of ICG in the cancerous tissues after preoperative intravenous administration. This enables highly sensitive identification of HCC by intraoperative ICG fluorescence imaging.

Extrahepatic metastases from HCC exhibited ICG fluorescence when illuminated by near-infrared light, indicating their capability to transport ICG. This imaging can be a useful tool for intraoperative detection of metastasis in HCC patients.

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The intersegmental plane of the liver has an uneven and curved surface, especially in the right and left portal scissurae. The identification and exposure of the landmark vein on the cut surface is an important technique for avoiding disorientation during anatomic liver resection.