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Portal vein puncture of segment Ⅵ staining guided by laparoscopic ultrasound combined with 3DVT. A: 3D visualization showing the portal vein branches of segment Ⅵ; B: Laparoscopic ultrasound combined with 3DVT to guide the portal vein puncture of segment Ⅵ; C: ICG fluorescence staining of segment Ⅵ (diaphragm view) after successful portal vein puncture; D: ICG fluorescence staining of segment Ⅵ (visceral view) after successful portal vein puncture.
