RecruitingBehavioural interventionThe Impact of Exercise on the Tumor Microenvironment in Patients With Lung CancerThere is increased interest and knowledge about the lung cancer tumor microenvironment (TME). Investigators hypothesize that patients with better baseline physiologic health will have better post-operative outcomes and that strenuous exercise will alter the TME and genetic make-up of the tumor, improving the tumor immune response. Investigators aim to identify the peri-operative and clinical outcomes that differ based on pre-operative VO2max, HRV and resting heart rate following resection of early-stage lung cancer. The physiologic states that are individual and measurable with wearable devices include but are not limited to VO2max, heart rate variability (HRV), and average resting heart rate. Investgators hypothesize that a patient's pre-operative physiologic function with higher VO2max, HRV and lower resting heart rate will be associated with improved peri-operative and post-operative outcomes. Second, investigators will compare alterations in TME based on targeted pre-operative exercise (60-80% of their VO2 max for 75min/week x2 weeks) compared to normal activity adults following resection of early-stage lung cancer. Investigators hypothesize that strenuous exercise in the pre-operative period will impact the TME by increasing levels of cytokines.