Infiltration pattern predicts metastasis and progression better than the T-stage and grade in pancreatic neuroendocrine tumors: a proposal for a novel infiltration-based morphologic grading

Orhun Çığ Taşkın, Michelle D. Reid, Pelin Bağcı, Serdar Balcı, Ayşe Armutlu, Deniz Demirtaş, Burçin Pehlivanoğlu, Burcu Saka, Bahar Memiş, Emine Bozkurtlar, Can Berk Leblebici, Adelina Birceanu, Yue Xue, Mert Erkan, Yersu Kapran, Arzu Baygül, Cenk Sökmensüer, Aldo Scarpa, Claudio Luchini, Olca Baştürk, Volkan Adsay