AR and urothelial carcinoma: For example, the reported AR positivity ranges 13–54% in urothelial carcinoma [6,7,8,9], 54–100% in salivary duct carcinoma [10,11,12,13,14], 22–78% in basal cell carcinoma of the skin [15,16,17,18], and 13–67% in oral squamous cell carcinoma [19,20,21,22].