Efficacy and Safety of Ensartinib in Neoadjuvant Therapy for Stage IIA - IIIB (Operable or Potentially Operable) ALK-Positive Lung Adenocarcinoma ：A Multicenter, Real-World Clinical Study

receive neoadjuvant treatment with ensartinib 225 mg once a day, po. for 2 consecutive cycles (56 days) to evaluate possibility of surgery, or discontinue the treatment because of disease recurrence or intolerable toxicity