A Study of Pembrolizumab (MK-3475) With or Without Intismeran Autogene (V940) in Participants With Non-small Cell Lung Cancer (V940-009/INTerpath-009)

Inclusion Criteria: The main inclusion criteria include but are not limited to the following: * Has histologically/cytologically confirmed diagnosis of previously untreated and pathologically confirmed resectable clinical Stage II, IIIA, or IIIB (N2) non-small cell lung cancer (NSCLC) \[American Joint Committee on Cancer (AJCC) 8th Edition\] * Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 within 7 days before the first dose of study intervention * Participants who have not achieved a pathological complete response (pCR) following completion of neoadjuvant chemotherapy and pembrolizumab followed by surgery will be eligible * Confirmation that epidermal growth factor receptor (EGFR)-directed therapy is not indicated as primary therapy (documentation of absence of tumor-activating EGFR mutations \[eg, DEL19 or L858R\]) * Human immunodeficiency virus (HIV)-infected participants must have well controlled HIV on anti-retroviral therapy (ART) * Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV viral load prior to randomization * Participants with history of hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable at screening Exclusion Criteria: The main exclusion criteria include but are not limited to the following: * Diagnosis of small cell lung cancer (SCLC) or, for mixed tumors, p…