Fig. 2

The mOS of patients with PNLNR > 1 was 1.9 m (c), paitents with PNLNR ≤ 1 (b) was 10.3 m, and patients with PNLNR = 0 had not reached (a), p < 0.001
The mOS of patients with PNLNR > 1 was 1.9 m (c), paitents with PNLNR ≤ 1 (b) was 10.3 m, and patients with PNLNR = 0 had not reached (a), p < 0.001