OC.06.4 GASTROINTESTINAL INVOLVEMENT IN HEREDITARY TRANSTHYRETIN AMYLOIDOSIS: THE ROLE OF GASTROENTEROLOGISTS IN EARLY DIAGNOSIS OF A PROGRESSIVE BUT NOW POTENTIALLY CURABLE DISEASE. (May 2022) - Brinch, D.; Di Stefano, V.; Muscarella, S.; Carrozza, L.; Saladino, M.; Crispino, F.; Brighina, F.; Cappello, M.