Fig. 4From: Novel significant stage-specific differentially expressed genes in hepatocellular carcinomaA Venn representation of the pairwise stages contrasts. A gene could be differentially expressed in any combination of the four stages and this could be represented by a 4-bit string, one bit for each stage. For e.g., ‘1111’ at the overlap of all four stages would be assigned to genes that are differentially expressed in all four stagesBack to article page