Fig. 1.

a, b The microconvex probe (P) handled by the surgeon on the liver surface (a) and the corresponding ultrasound image with a wide scanning window and showing the B-mode image together with a color flow analysis (b; colored arrows indicate the blood flow direction). c, d A new T-shaped probe designed for easy handling by the surgeon to comfortably allow maneuvers: the interposition of the electrocautery (EC) for resection area demarcation (c) and an enlarged scanning window (d). T = Tumor; TT = tumor thrombus.