ALB and Hypoalbuminemia: In a sensitivity analysis using the conventional cutoff for hypoalbuminemia (3.5 g/dL), patients with Alb ≥ 3.5 g/dL had significantly longer PFS than those with Alb < 3.5 g/dL (median: 4.6 vs. 2.4 months; p = 0.010, log-rank test; Fig. 3).