TGFB1 and gastric cancer: ANO1 correlated with activated TGF‐β signaling according to GSEA for all four TCGA‐GI cancer datasets (geneset M18762, Figure S5D, Supporting Information), while we also noticed in GC/CRC cells that ANO1 knockdown repressed TGF‐β expression and secretion (Figure 8E,F and Figure S3Q,R, Supporting Information).