['non-small cell lung cancer']
['atezolizumab']

        Inclusion Criteria:

          -  Adult participants greater than or equal to 18 years of age

          -  Locally advanced or metastatic (Stage IIIB, Stage IV, or recurrent) NSCLC

          -  Representative formalin-fixed paraffin-embedded (FFPE) tumor specimens

          -  PD-L1-positive tumor status as determined by an immunohistochemistry (IHC) assay based
             on PD-L1 expression on tumor infiltrating immune cells and/or tumor cells performed by
             a central laboratory

          -  Measurable disease, as defined by RECIST version 1.1

          -  Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

        Exclusion Criteria:

          -  Any approved anti-cancer therapy, including chemotherapy, or hormonal therapy within 3
             weeks prior to initiation of study treatment; the following exception are allowed:

        Hormone-replacement therapy or oral contraceptives tyrosine-kinase inhibitors (TKIs)
        approved for treatment of NSCLC discontinued >7 days prior to Cycle 1, Day 1

          -  Central nervous system (CNS) disease, including treated brain metastases

          -  Malignancies other than NSCLC within 5 years prior to randomization, with the
             exception of those with negligible risk of metastases or death and treated with
             expected curative outcome

          -  History of autoimmune disease

          -  History of idiopathic pulmonary fibrosis (including pneumonia), drug-induced
             pneumonitis, organizing pneumonia, or evidence of active pneumonitis on screening CT
             scan. History of radiation pneumonitis in the radiation field (fibrosis) id permitted

          -  Active hepatitis B or hepatitis C

          -  Human Immunodeficiency virus (HIV) positive

          -  Prior treatment with CD137 agonists, anti-CTLA4, anti-PD-1, or anti-PD-L1 therapeutic
             antibody or pathway-targeting agents
      