RecruitingPhase 2Drug trialAdjuvant Furmonertinib in Stage IA With High Risk Factors and Stage IB Non-small Cell Lung CancerThis is a prospective, single arm study to investigate the efficacy and safety furmonertinib 80mg/d as adjuvant treatment for 3 years post surgery of stage IA with high-risk factors and stage IB non-small cell lung cancer. A total of 114 patients would be enrolled. The primary endpoint is the disease-free survival rate at 3 years.