PDGFRB and neoplasm: In 183 NMIBC patients, the level of urinary PDGFRB was increased in patients with a large tumor size (>3 cm; 329.6±22.10 ng/mL, n = 46) compared with those with a small tumor size (≤3 cm; 290.4±11.08 ng/mL, n = 139) (Figure S3 in File S1, P = 0.0907).