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Prognostic Evaluation for Gastroenteropancreatic NEC: AJCC or ENETS Staging Classification or Others?

#2939

Introduction: For poorly-differentiated gastroenteropancreatic neuroendocrine carcinoma (GEP-NEC), American Joint Committee on Cancer (AJCC) recommends to use a classification different from that for well-differentiated neuroendocrine tumor. However, this is not adopted by European Neuroendocrine Tumor Society (ENETS) staging classification.

Aim(s): To explore a classification which can better evaluate the prognosis of GEP-NEC.

Materials and methods: Patients with NEC from stomach, colorectum and pancreas were retrieved from SEER database and our multicenter cohort. Harrel’s concordance index (C-index) was used to calculate predictive accuracy.

Conference: 17th Annual ENETSConcerence (2020)

Presenting Author:

Authors: Zhang Y, Chen L, Lin Z, Zhang T, Chen M,

Keywords: gastroenteropancreatic neuroendocrine carcinoma, prognosis, staging,

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