Biology of Young Lung Cancer Study: The YOUNG LUNG Study

Inclusion Criteria: * Age 45 and under at lung cancer diagnosisAge * Pathologically confirmed bronchogenic lung carcinoma (NSCLC or SCLC of any stage) at any treatment time point * Provision of written informed consent * Willingness to undergo no more than two (2) peripheral blood draws in a four (4) week period, with no more than 50 ml peripheral blood collected over eight (8) weeks * Individuals under age 18 are eligible for study if they meet defined criteria; in addition, consent for participation must be given by a legal guardian or parent Exclusion Criteria: * Individuals who decline to sign consent * Individuals who are unable to give consent or assent and are without a designated healthcare proxy * Compromise of patient diagnosis or staging if tissue is used for research