Patients with programmed death-ligand 1 positive (PD-L1+), locally advanced or metastatic, non-squamous non-small cell lung cancer (NSCLC) have a poor prognosis and treatment options are limited. Sitravatinib, selective tyrosine kinase inhibitor, reduces the number of myeloid-derived suppressor cells regulatory T cells, promotes expansion migration antitumor cytotoxic increases ratio M1/M2-pola...