We identified 27 SMGs, including four novel SMGs (COL3A1, NRAS, NARS2, and DCC) that are associated with ICI efficacy and well-known driver genes....NARS2 mutations were associated with an elevated ORR (OR: 0.15, 95% CI: 0.03–0.57, p = 0.008... a shortened PFS was observed in patients with NARS2 mutations (HR: 2.52, 95% CI: 1.12–5.68, p = 0.03...