RecruitingPhase 2Drug trialA Study of Trastuzumab Deruxtecan in People With Non-Small Cell Lung CancerThe purpose of this study is to find out how many people with HER2-amplified or HER2-mutated non-small cell lung cancer (NSCLC) experience a decrease in tumor viability when they receive trastuzumab deruxtecan before routine surgery to remove tumors.