Tumour type and size are prognostic factors in gastric neuroendocrine neoplasia: A multicentre retrospective study

Background Gastric neuroendocrine neoplasias (gNEN) are defined as type I if associated with atrophic body gastritis and type III when tumour is sporadic. This classification, together with grading and size, plays a crucial prognostic role. Nevertheless, the impact of these features on clinical outcome is not clear. Aim To identify factors predicting poor outcome. Patients and methods Analysis of type I and type III gNEN. A composite endpoint...