Tissue Sample Collection From Patients With Head and Neck Cancer and From Healthy Participants

Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer

Molecular Predictors of Cancer in Patients at High Risk of Lung Cancer

Gastrointestinal Biomarkers in Tissue and Biological Fluid Samples From Patients and Healthy Participants Undergoing Colonoscopy, Endoscopy, or Surgery