There are a lot of articles about SNPs of IL-4/IL-13 or their receptors and association with gastric (summary in Supplemental Table S4 [45,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142]) or colorectal (summary in Supplemental Table S5 [62,137,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162]) cancer. This evidence concerns the gene IL13 and cancer.