FOLH1 and neoplasm: The PSMA PET and ctDNA analysis detected tumor signals (discovery rates) in 56.52% and 13.04%, 45.45% and 18.18%, 80.0% and 40.0%, and 88.89% and 35.8% of patients at the PSA ranges (0, 0.5), (0.5, 1.0), (1.0, 2.0), and (2.0, 3689.0) ng/mL, respectively (P < 0.001 and P = 0.123, respectively) (Table 2, Fig. 2A, B).