PROS1 and Familial prostate cancer: Patients with pathological radiotracer uptake (n = 92; Table 2) had a median PSA of 1.90 ng/ml (range 0.14–150.0), a PSA doubling time of mainly ≤10 months (77.8%), mainly a T3 N0 prostate cancer, a predominant GS 9 (29.3%) and ongoing ADT at time of PET in 12 patients.