Fig. 1From: Size measurements of hepatocellular carcinoma: comparisons between contrast and two-dimensional ultrasoundThe measurements of 2D, AP and LP diameters of a HCC case on the same imaging section (Data on left upper corner, D1 = longitudinal diameter; D2 = transverse diameter). a 2DUS measurements of the tumor. b Obviously enlarged measurement of the tumor in AP. c Decreased measurement of the tumor in LPBack to article page