Figure 2. Identification of GM molecular subtypes in CRC. (A–C) K-M analysis, PCA analysis, and heatmap between subtype C1 and subtype C2 in the TCGA-COAD cohort. (D–F) K-M analysis, PCA analysis, and heatmap between subtype C1 and subtype C2 in the GSE87211 cohort. (G–I) K-M analysis, PCA analysis, and heatmap between subtype C1 and subtype C2 in the GSE161158 cohort. Abbreviations: GM: gut microbes; CRC: colorectal cancer; K-M: Kaplan-Meier; PCA: principal component analysis.