Adjuvant Toripalimab Plus Chemotherapy for EGFR/ALK Mutation Negative Stage II-IIIB(N2) NSCLC (LungMate-008)

Inclusion criteria

• ✓. Volunteer to participate in this clinical study, understand the research procedures and be able to sign written informed consent.
• ✓. Age ≥18 years old.
• ✓. Histological diagnosis of primary non-small cell lung cancer (NSCLC).
• ✓. An MRI or CT scan of the brain must be performed before lung cancer resection, and it is confirmed that there is no brain metastasis. For patients who have not been examined before surgery, if they have a brain MRI or CT scan before randomization and it is confirmed that there is no brain metastasis, they can still be enrolled.
• ✓. Total resection of primary lung cancer (R0) and systemic lymph node dissection must be performed: complete resection includes lobectomy, sleeve resection, and bilobectomy; systemic lymph node dissection includes hilar and mediastinal lymph node dissection Or sampling, including at least 6 groups of lymph nodes, of which 3 groups are from intrapulmonary (lobar, interlobar or segment) and hilar lymph nodes, and 3 groups are from mediastinal lymph nodes including subcarinal lymph nodes; all surgical margins must be tumor-negative; respectively; The removed mediastinal lymph nodes or the marginal lymph nodes of the removed lung lobes cannot have extranodal invasion.
• ✓. Postoperative pathologically confirmed NSCLC patients with stage II, IIIA and IIIB (N2), the disease is staged according to the American Joint Committee on Cancer (AJCC) 8th edition lung cancer staging standard.
• ✓. Confirmed as negative for EGFR/ALK mutation.
• ✓. Complete recovery from surgery during randomization, and complete postoperative wound healing must be achieved after any surgery;

Exclusion criteria