OC.04.2 THE ROLE OF RECTAL EUS-FNA/B IN PRE-SACRAL UNDEFINED LESIONS IN PATIENTS WITH HISTORY OF LOWER GI NEOPLASIA. (May 2022) - Auriemma, F.; Dabizzi, E.; Facciorusso, A.; De Nucci, G.; Carrara, S.; Cennamo, V.; Manes, G.; Paduano, D.; Lamonaca, L.; Repici, A.; Mangiavillano, B.