ALB and non-small cell lung carcinoma: On this basis, this study investigated the therapeutic effects of sintilimab injection combined with chemotherapy on patients with stage IB–IIIB NSCLC, and evaluated the clinical efficacy and safety of this combination therapy in comparison with albumin-bound paclitaxel plus cisplatin as monotherapy, aiming to provide insights for the clinical management of stage IB–IIIB NSCLC.