Ivonescimab Monotherapy or in Combination With Chemotherapy as Neoadjuvant/Adjuvant Therapy for Resectable Non-small Cell Lung Cancer

Inclusion Criteria: 1. Voluntarily sign a written informed consent form; 2. Aged ≥ 18 years and ≤ 75 years , both males and females are eligible; 3. ECOG PS score of 0 or 1; 4. Patients with non-small cell lung cancer confirmed by histopathology or cytology, and with resectable clinical stage II-IIIB (T3N2) (according to the 8th edition of lung cancer TNM staging by the Union for International Cancer Control and the American Joint Committee on Cancer); 5. No prior anti-tumor treatment has been received; 6. No known EGFR sensitive mutations/ALK gene translocations; Exclusion Criteria: 1. Patients with large cell carcinoma, mixed-cell lung cancer, or those with small cell lung cancer components in the mixture; 2. Presence of locally advanced unresectable or metastatic disease; 3. Palliative local treatment for non-target lesions within 2 weeks before the first administration; receipt of non-specific immunomodulatory therapy (such as interleukin, interferon, thymosin, tumor necrosis factor, etc., excluding IL-11 used for the treatment of thrombocytopenia) within 2 weeks before the first administration; receipt of Chinese herbal medicines or proprietary Chinese medicines with anti-tumor indications within 1 week before the first administration. 4. Severe infection occurred within 4 weeks before the first administration, including but not limited to complications requiring hospitalization, sepsis, or severe pneumonia; active infection treated with systemic anti-infective therapy within 2 weeks before the first administration (excluding antiviral therapy for hepatitis B or hepatitis C); 5. Major surgical operation or severe trauma occurred within 4 weeks before the first administration, or those with a plan for major surgical operation within 4 weeks after the first administration (determined by the researcher); minor local surgery performed within 3 days before the first administration (excluding peripherally inserted central catheterization and venous access port implantation); 6. History of severe bleeding tendency or coagulation dysfunction; presence of clinically significant bleeding symptoms within 1 month before the first administration, including but not limited to gastrointestinal bleeding, hemoptysis (defined as coughing up or expectorating ≥ 1 teaspoon of fresh blood or small blood clots, or coughing up only blood without sputum; those with blood-tinged sputum are allowed to enroll), nasal bleeding (excluding epistaxis and retrograde epistaxis); receipt of continuous antiplatelet or anticoagulant therapy within 10 days before the first administration.