CD274 and neoplasm: PD-L1 positivity was significantly associated with lymphovascular invasion (p = 0.019) and age ≤40 years (p = 0.032) at TPS ≥1%, with tumour necrosis (p = 0.005) and N-stage (p = 0.012) at TPS ≥50%; however, no significant association was seen at the cut-offs of ≥10% and ≥25%.