研究目的：
This is a prospective, multi-center, single-arm, phase 2 study aiming to assess the efficacy and safety of adjuvant use of Ensartinib in stage IB-IIIA non-small cell lung cancer (NSCLC) with positive ALK-fusion. Enrolled patients will take Ensatinib for 3 years or until recurrence of the disease or intolerable toxicity, following complete tumour resection with or without adjuvant standard chemotherapy.
