From this single compassionate use patient, [68 Ga]Ga-PSMA-1-DOTA tumor/salivary gland uptake ratios (t/s: 5.63, 2.84, 2.58, 2.08 for different tumors, respectively, Fig. 5) were greater than the published clinically measured [68 Ga]Ga-PSMA-11 ratios. The gene discussed is FOLH1; the disease is neoplasm.