Nivolumab Plus Cisplatin/Pemetrexed or Cisplatin/Gemcitabine as Induction in Resectable Non-Small Cell Lung Cancer

Inclusion Criteria: * Pathologically confirmed non small cell lung cancer (NSCLC), not previously treated, with a plan to undergo surgery * Stage I-IIIA (stage I tumors must be \>= 4 cm) per AJCC 8th edition * Tumor sample must be available for PD-L1 testing; archival tissue within 3 months of study enrollment will be used; if archival tissue is unavailable, a fresh biopsy will be taken * Eastern Cooperative Oncology Group (ECOG) performance status 0-1 * While blood cells 2000/ul or more * Absolute neutrophil count 1500/ul or more * Platelets 100,000/ul or more * Hemoglobin 9 g/dl or more; (transfusion permitted) * Bilirubin less than or equal to 1.5 x the upper limit of normal (except subjects with Gilbert syndrome, who can have total bilirubin \< 3 mg/dl) * Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) less than or equal to 3 x the upper limit of normal * Glomerular filtration rate (GFR) greater than or equal to 40 ml/min using the Cockcroft-Gault formula or serum creatinine less than or equal to 1.5 x (ULN) upper limit of normal * Women of reproductive potential should have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of human chorionic gonadotropin \[HCG\]) within 21 days of the study enrollment * Women of reproductive potential must use highly effective contraception methods to avoid pregnancy for 23 weeks after the last dose of study drugs; "women of reproductive potential" is defined as any female who …