A.J.T. receives research support from Lucid Diagnostics and is a consultant for Boston Scientific, Exact Science, Lucid Diagnostic and Pentax Medical. N.J.S. receives research funding from Interpace Diagnostics, Lucid Diagnostics, Medtronic, Pentax Medical and Steris, and is a consultant for Boston Scientific, Cernostics, CDx Diagnostics, Cook Medical, Exact Sciences and Phathom.