RecruitingPhase 1Drug trialA Study of CD8+ T Cell Imaging During Treatment in People With Non-Small Cell Lung CancerThe purpose of this study to learn whether PET/CT (positron emission tomography/computed tomography) scans using an imaging agent (radiotracer) called zirconium Zr 89 crefmirlimab berdoxam is a safe and effective way to identify CD8+ T cells