In addition to lung cancer, colorectal cancer, breast cancer, leukemia, esophageal carcinoma and prostate cancer [65,66], CYP1A1 polymorphisms can also lead to other diseases such as ulcerative colitis, colorectal adenoma, myocardial infarction, etc. [66,67]. The gene discussed is CYP1A1; the disease is colorectal adenoma.