S268 Frequency of Colorectal Neoplasia in Young Onset Colorectal Cancer Does Not Warrant Shorter Surveillance Intervals. (October 2021) - Mendelsohn, Robin; Hahn, Anne; Palmaira, Randze Lerie; Krishnan, Asha R.; Lumish, Melissa; Schattner, Mark; Markowitz, Arnold; Ludwig, Emmy; Shah, Pari; Calo, Delia; Zauber, Ann; Cercek, Andrea