CD274 and musculoskeletal system disorder: Among individuals undergoing single-agent anti-PD-L1, higher frequency of all-grade pruritus occurred in 19.0 % of renal cell carcinoma (RCC) patients (95 % CI 15.2%–23.2 %), and the highest probability of developing other severe musculoskeletal disorders was observed in patients with RCC (6.2 %, 95 % CI 4.0%–9.0 %).