Fig. 1From: Serum metabolites may be useful markers to assess vascular invasion and identify normal alpha-fetoprotein in hepatocellular carcinoma undergoing liver resection: a pilot studyMetabolome analysis by NMR in HCC. a Heatmap analysis in HCC with or without normal AFP. b1H-NMR plasma profiles using OPLS-DA. A separation is seen between the two groups. Red area denotes HCC patients with normal AFP levels (less than 15 ng/mL, N-HCC) while green area denotes HCC patients with abnormal AFP levels (greater or equal to 15 ng/mL, A-HCC)Back to article page