FOLH1 and Familial prostate cancer: The recent success of molecular imaging techniques involving the use of radiolabeled PSMA ligands, such as 68Ga-PSMA-11 and 18F-PSMA-1007, in detecting the prostate cancer at the early stages of the disease has made this method quite popular for screening of prostate cancer in the recent times [4–9, 30, 31].