Fig. 2
From: The methylation of SDC2 and TFPI2 defined three methylator phenotypes of colorectal cancer
Sankey diagram showing the relationship between the 3 methylator groups and tumor locations in three datasets. A–C indicated the cohorts of TCGA CRC, GSE48684/GSE79740 and our custom cohort D311, respectively. Thickness of the connecting lines represented the number of samples on each group. P value was estimated by Fisher exact test