InAdvance: Surveillance, Prevention, and Interception in a Population at Risk for Cancer

The objective of this protocol is to obtain clinical information and facilitate the collection and distribution of specimens obtained during the course of clinical care or research participation. * Blood, buccal swabs, urine or tissue or other body fluids (including stool) may be specifically acquired for research in order to perform molecular and other types of analyses for research purposes. * These materials will be collected from all eligible participants who have a precursor lesion or an increased risk of cancer It is expected that about 5,000 people will take part in this research study.