COL1A1 and cancer: Of the gene sets used by MCP-counter to enumerate 10 non-cancer cell populations, only the fibroblast (3 of 8 genes shared; COL1A1, COL6A1, COL6A2) and endothelial (2 of 33 genes shared; ESM1, HECW2) gene sets exhibited overlap with the MES gene set, and no overlaps with the MEL gene set were observed.