RecruitingRadiation therapyCardiopulmonary Monitoring in Lung Cancer Patients Receiving Combined Thoracic Radiotherapy and ImmunotherapyThe overall purpose of this study is to evaluate cardiopulmonary toxicity in patients with lung cancer (NSCLC or SCLC) undergoing combined thoracic radiotherapy ± chemotherapy and immunotherapy through timed monitoring and blood sample collection and to identify correlative biomarkers for predicting cardiopulmonary adverse events.