Comprehensive analysis reveals tumor types and their implications for survival outcomes in gNET cases.
Gastric neuroendocrine tumors (gNETs) are uncommon and heterogeneous, and require individualized management. In this largest Brazilian cohort, Type I gNET predominated, showing indolent behavior and favorable outcomes with endoscopic treatment. Type II tumors were rare and invariably linked to multiple endocrine neoplasia type 1, while Type III tumors presented aggressive features, advanced stage, and poor survival. Prognosis was strongly determined by tumor, lymph node, metastasis stage, highlighting the importance of accurate staging and histopathological evaluation.
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Ribeiro et al. (2025) studied this question.
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