FOLH1 and neoplasm: In detail, the mean tumor to background ratios between the SUVmax in the PSMA-avid lesions with [18F]DCFPyL and [68Ga]Ga-PSMA-HBED-CC were 2.9 and 2.3 as compared with the SUVmean in the liver (p = 0.167, n.s.), 4.3 and 2.1 as compared with the SUVmean in the spleen (p = 0.002), 1.0 and 0.4 as compared with the SUVmean in the kidney (p = 0.006), 10.7 and 9.7 as compared with the SUVmean in the mediastinum (p = 0.363, n.s.), and 1.4 and 0.9 as compared with the SUVmean in the parotid (p = 0.008), respectively.