The Surveillance, Epidemiology, and End Results database also recently excluded all PSA data by the National Cancer Institute because of the inaccurate PSA values and misinterpretation of PSA variables.[37] Although we did not have complete clinical information, the prostate cancer patients were divided into 3 groups according to types of prostate cancer treatment, which helped us define the severity of prostate cancer and further demonstrate the effects of TCM use in these groups. The gene discussed is KLK3; the disease is prostate cancer.