1320PThe prognostic role of morphology and Ki67 in grade 3 gastroenteropancreatic (GEP) neuroendocrine neoplasms (NEN). (23rd October 2018) - Hayes, A R; Furnace, M; Rundell, C; Shah, R; Muller, G; Thirlwell, C; Luong, T V; Toumpanakis, C; Caplin, M; Mandair, D