NECTIN4 and urothelial carcinoma: In a clinical study involving healthy volunteers and patients with advanced urothelial carcinoma, the SUVmax of [68Ga]Ga-N188 was notably higher in individuals with Nectin-4-positive bladder lesions (2.34 ± 0.21) and hepatic metastases (4.52 ± 0.33) compared to Nectin-4-negative individuals (P < 0.01).