OC.13.1 ASSOCIATION OF GERMLINE GENE MUTATIONS IN EARLY ONSET GASTROINTESTINAL CANCERS WITH NEGATIVE FAMILY HISTORY. Issue 2 (15th March 2018) - Mannucci, A.; Zuppardo, R.A.; Elmore, U.; Crippa, S.; Lemma, M.; Parise, P.; Reni, M.; Ronzoni, M.; Burgio, V.; Mazza, E.; Patricelli, M.G.; Raucci, A. Russo; et al.