FOLH1 and prostate carcinoma: The majority of referrals for PSMA PET/CT scans came from medical oncologists (N = 144, 83.72%), followed by urologists (N = 18, 10.47%) and radiation oncologists (N = 10, 5.81%), reflecting the critical role of medical oncologists in the management and referral process for prostate cancer patients in this setting (Figure 5).