Fig. 1

Expression profile of lncRNAs in gastric cancer tissues and adjacent tissues. A RNA sequencing and analysis flowchart. B Boxplot of FPKM values of lncRNAs in each sample. C Principal component analysis based on the expression of lncRNAs. D Novel lncRNAs classification. E–G Heatmap showing lncRNAs expression in PTvsPA E, MTvsMA F, MTvsPT G. H-J Volcano plot showing the lncRNAs expression pattern in PTvsPA H, MTvsMA I, MTvsPT J