P.02.4 REASSESSMENT OF HISTOLOGICAL FEATURES AT DISEASE PROGRESSION DURING THE FOLLOW-UP OF NEUROENDOCRINE TUMOURS. (24th February 2016) - Cicchese, N.; Pilozzi, E.; Rinzivillo, M.; Iannicelli, E.; Panzuto, F.; Merola, E.; Pucci, E.; Capurso, G.; Delle Fave, G.