FOLH1 and neoplasm: PSMA-expressing tumour area correlated with GS (r = 0.243, p = 0.007, CI: 0.066, 0.420, Figure 2C) and intensity of PSMA expression for both PSMAcytosol (r = 0.328, p < 0.001, CI: 0.156, 0.501) and PSMAmemb (r = 0.583, p < 0.001, CI: 0.434, 0.731).