For more information regarding Bristol - Myers Squibb Clinical Trial participation, please visit www.BMSStudyConnect.com Inclusion Criteria: • Early stage IB - IIIA,
operable non-small cell lung cancer, confirmed in tissue • Lung
function capacity capable of tolerating the proposed lung surgery • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 - 1 • Available tissue of
primary lung tumor Exclusion Criteria: • Presence of locally advanced, inoperable or metastatic disease • Participants with active, known or suspected autoimmune disease • Prior treatment with any drug that targets T cell co-stimulations pathways (such as checkpoint inhibitors) Other protocol defined inclusion / exclusion criteria could apply