T03.01.15 SECOND PRIMARY NEOPLASMS IN PATIENTS WITH GASTRO-ENTERO-PANCREATIC NEUROENDOCRINE NEOPLASMS (GEP-NEN): DATA FROM A RETROSPECTIVE IT.A.NET STUDY. (1st October 2020) - Massironi, S.; Campana, D.; Pusceddu, S.; Albertelli, M.; Faggiano, A.; Panzuto, F.; Smiroldo, V.; Andreasi, V.; Rossi, R.E.; Maggio, I.; Torchio, M.; Ambrosetti, E.; et al.