ALB and neoplasm: The multivariate Cox regression model revealed that PM2.5 ≥ 36 μg/m3 (p = 0.004), Child–Pugh score (p < 0.001), albumin (p < 0.001), macrovascular invasion (p < 0.001), tumor number (p < 0.001), and tumor size (p < 0.001) were critical risk factors for mortality.