FOLH1 and posterior cortical atrophy: As shown in Table 3, PSMA-RADS is based on a 5-point scale that reflects the confidence of the interpreting imaging specialist that a given lesion represents a site of PCa, scoring from PSMA-RADS-1 (=definitively benign) to PSMA-RADS-5 (=high degree of certainty that PCa is present).