Combining GS and tumor-related tracer (PSMA) uptake revealed an upward trend in elevation of the SUVmax according to a higher GS/ISUP grade: GS 6/ISUP I (SUVmax = 5.49), GS 7a/ISUP II (SUVmax = 7.73), GS 7b /ISUP III (SUVmax = 13.01), GS 8/ISUP IV (SUVmax = 15.74), and GS 9/ISUP 5 (SUVmax = 17.27) (Table 2). Here, FOLH1 is linked to neoplasm.