Iparomlimab and Tuvonralimab Injection Combined With SBRT in Patients With Early-Stage Non-Small Cell Lung Cancer

Inclusion Criteria: * Understand and voluntarily sign the informed consent form for this study; * Age ≥ 18 years; * ECOG performance status of 0-1; * Histologically confirmed non-small cell lung cancer, meeting AJCC 8th edition Stage IA-IB (tumor size ≤ 4cm, N0M0), Stage IIA (≤5cm, N0M0), or Stage IIB (\>5cm and ≤7cm, N0M0); * At least one repeatable measurable lesion at baseline (according to RECIST 1.1 criteria); * Function of vital organs within 7 days prior to initial treatment meets the following requirements (use of any blood components or colony-stimulating factors within 14 days prior to enrollment is not allowed): Hemoglobin (Hb) ≥ 90 g/L; White Blood Cell (WBC) count ≥ 3.5 × 10\^9/L; Absolute Neutrophil Count (ANC) ≥ 1.5 × 10\^9/L; Platelets (PLT) ≥ 80 × 10\^9/L; Aspartate Aminotransferase (AST) and Alanine Aminotransferase (ALT) ≤ 2.5 × Upper Limit of Normal (ULN); if liver metastases are present, AST and ALT ≤ 5 × ULN; Total Bilirubin (TBIL) ≤ 1.5 × ULN; Blood Urea Nitrogen (BUN) and Creatinine (Cr) ≤ 1.5 × ULN (and Creatinine Clearance (CCr) ≥ 50 mL/min); Left Ventricular Ejection Fraction (LVEF) ≥ 50%; QT interval corrected by Fridericia's formula (QTcF) \< 470 milliseconds; * Eligible patients of childbearing potential must agree to use a reliable method of contraception together with their partner during the trial period and for at least 180 days after the last dose of the study drug. Exclusion Criteria: * Inability to comply with the research protocol or s…