Forced expiratory volume in second (FEV) >= % of predicted (corrected or uncorrected for hemoglobin per institutional standards) Patients must have postoperative predicted forced expiratory volume (FEV) > % prior to surgery obtained within days prior to step registration Pulmonary function forced expiratory volume in second (FEV) >= % of predicted PFTs including forced expiratory volume in second (FEV) within weeks prior to registration; for FEV, the best value obtained pre- or post-bronchodilator must be >= . liters/second or >= % predicted All patients must have an forced expiratory volume in second (FEV) >= cc Forced expiratory volume in second (FEV) > % of prediction for those patients with extensive pulmonary metastases or chronic pulmonary disease history Documented forced expiratory volume in second (FEV) of less than or equal to % predicted in patients with clinical symptomatology Known severe chronic obstructive pulmonary disease or asthma defined as forced expiratory volume (FEV) in second less than < % of expected Patients who have obstructive or restrictive pulmonary disease and have a documented FEV (forced expiratory volume in second) of ? % Severe obstructive airway disease defined by forced expiratory volume at one second (FEV) < % Forced expiratory volume in second (FEV) > . L Patients with unstable or severe intercurrent medical conditions such as severe heart (New York Heart Association class or ) or lung (forced expiratory volume in second [FEV] < %) disease, uncontrolled diabetes mellitus Forced expiratory volume in second (FEV) >= % of predicted postoperative (ppoFEV, as if patient underwent a pneumonectomy) Pre-treatment pulmonary function tests (PFTs), collected =< days prior to enrollment, must show forced expiratory volume in one second (FEV) > % of predicted Forced expiratory volume in second (FEV) > % Forced expiratory volume in second (FEV) >= % Unstable or severe intercurrent medical conditions such as severe heart (New York Association class or ) or lung (forced expiratory volume in second [FEV] < %) disease, uncontrolled diabetes mellitus Forced expiratory volume in second (FEV) >= % of expected corrected for hemoglobin and/or volume Forced expiratory volume in one second (FEV) < % (corrected for hemoglobin) FEV (forced expiratory volume in second) >= % predicted Forced expiratory volume in second (FEV) > % Forced expiratory volume in one second (FEV) >= % of expected, corrected for hemoglobin Forced expiratory volume in second (FEV) > % of predicted within months of lymphodepletion (Turnstile II) or Forced expiratory volume in one second (FEV) >= % Forced expiratory volume in one second (FEV) >= % Adequate lung function indicated by forced expiratory volume at second (FEV) >= L is required For patients enrolled post-P/D, only: forced expiratory volume in second (FEV) >= % (corrected for Hgb) (Note: patients enrolled prior to P/D will have pulmonary function tests (PFTs) repeated pre-IMRT; if this criteria is not met, they will be removed from study) Forced expiratory volume in one second (FEV) % of predicted or standard deviations (SD) below normal Forced expiratory volume in one second (FEV) >= % of expected value obtained within days of enrollment\r\n* Note: For children who are unable to cooperate for positron emission tomography (PFT)s, the criterion is: No evidence of dyspnea at rest, no exercise intolerance, and no requirement for supplemental oxygen therapy Forced expiratory volume in one second (FEV) >= % FEV (forced expiratory volume in the first second) >= % of predicted, corrected for volume and hemoglobin Forced expiratory volume in second (FEV) > % by pulmonary function test Respiratory failure (defined as oxygen saturation [SaO] < % on room air; partial pressure of carbon dioxide [PCO] > mmHg; or forced expiratory volume in one second [FEV] <. liter). Pulmonary disease: forced expiratory volume in second (FEV) < % predicted > % forced expiratory volume of the lung in second (FEV), if presence of pleural effusion due to metastatic disease > % corrected FEV is acceptable (within days of treatment start) Forced expiratory volume in second (FEV) >= % of predicted value Forced expiratory volume in one second (FEV) >= % predicted Forced expiratory volume in one second (FEV) >= % of predicted value (corrected to serum hemoglobin) Forced expiratory volume in second (FEV) < % of normal Patients must have pulmonary function tests (PFTs) including forced expiratory volume in second (FEV) within days prior to registration; for FEV, the best value obtained pre- or post-bronchodilator must be >= . liters/second and/or >= % predicted Forced expiratory volume in one second (FEV) with >= cc or >= % predicted Forced expiratory volume of the lung in second (FEV) >= % predicted Patients who would be receiving SBRT for lung tumors who are known or suspected by the treating radiation oncologist to have compromised lung function must have a documented forced expiratory volume in second (FEV) >= L Forced expiratory volume in one second (FEV-) >= % Forced expiratory volume in second (FEV) >= % Forced expiratory volume in second (FEV) >= % Forced expiratory volume in one second (FEV) testing required only if symptomatic or prior known impairment Forced expiratory volume in second (FEV) >= liter Patients be able to undergo VATS resection as defined below:\r\n* Preoperative forced expiratory volume in second (FEV) >= % predicted OR\r\n* Post-operative predicted FEV >= . l\r\n* Mercury (Hg) >= .\r\n* No evidence of coronary ischemia on cardiac evaluation per institutional standard (ie. cardiology evaluation, stress test, etc.) Forced expiratory volume in one second (FEV) must be >= . L Forced expiratory volume (FEV) < % predicted Forced expiratory volume (FEV) =< . L/s Forced expiratory volume of the lung in one second (FEV) > % of predicted at the screening visit Forced expiratory volume in one second (FEV) >= % of expected corrected for hemoglobin Current severely impaired lung function (i.e., forced expiratory volume in second [FEV] < liter) Forced expiratory volume in second (FEV) >= % of predicted Forced expiratory volume in one second (FEV) >= %; no symptomatic pulmonary disease Advanced pulmonary disease as assessed by clinical symptoms of shortness of breath or known forced expiratory volume in second (FEV) < FEV (forced expiratory volume in second) >= % predicted Forced expiratory volume in second (FEV) > cc Forced expiratory volume at one second (FEV): best value obtained pre- or post-bronchodilator must be ? . liters/second or > % predicted value