A Real-World Study of Atezolizumab in Combination With Platinum-Based Doublet Chemotherapy as Neoadjuvant Therapy for Resectable Stage II-IIIB NSCLC

Inclusion Criteria: * Patients must be ≥18 years. * Provision of fully informed consent prior to any study specific procedures. * Previously untreated, histologically confirmed resectable stage II, IIIA, IIIB (N2) (AJCC stage VIII) NSCLC; cTNM stage can be confirmed by PET-CT or pathological biopsy; resectable stage II non-small cell lung cancer is defined as radical resection as assessed by a qualified thoracic surgeon; resectable is resectable and potentially resectable as defined by the Expert Consensus on Multidisciplinary Diagnosis and Treatment of Stage III Non-small Cell Lung Cancer (2019 version); resectable includes IIIA (N0-1), some single-station mediastinal lymph node metastases with N2 and some T4 (satellite nodules present in adjacent lobes) N1; potentially resectable includes some stage IIIA and IIIB, including single-station N2 mediastinal lymph node short diameter \< 3 cm stage IIIA NSCLC, potentially resectable T3 or T4 central tumors; Solid/solid pulmonary nodules, not pure ground-glass opacity (GGO), are strongly recommended for pathological puncture verification. * According to the RECIST 1.1 standard, the patient must have at least one measurable lesion. Exclusion Criteria: * None Exclusion Criteria: \-