A. Impact of tumor-only versus paired tumor/normal TMB on overall survival in ICI-treated patients with NSCLC at MSKCC. Patients were stratified into: (a) true TMB-low (raw TMB<10; tumor/normal TMB<10), true TMB-high (raw TMB≥10; tumor/normal TMB ≥10), and false TMB-high (raw TMB ≥10, tumor/normal TMB<10). B. Impact of TMB calibration on overall survival in ICI-treated patients with NSCLC at MSKCC. Patients were stratified into: (a) true TMB-low (raw TMB<10; calibrated TMB<10), true TMB-high (raw TMB≥10; calibrated TMB ≥10), and false TMB-high (raw TMB ≥10, calibrated TMB<10). cTMB= calibrated TMB; TMBTO= raw tumor-only TMB; TMBTN= paired tumor/normal TMB.