In malignant tissues, TEKT5 mRNA expression was detected in 5 of 10 colon cancers, 4 of 10 gastric cancers, 6 of 10 liver cancers, 1 of 10 lung cancers, and 1 of 9 prostate cancers at >1% of the testicular expression level. The gene discussed is TEKT5; the disease is Familial prostate cancer.