Fig. 4

A nomogram risk prediction model for the prognosis of GEP-NENs patients with distant metastasis was developed based on five independent risk factors: N stage, tumor size, histological type, primary site surgery, and tumor grade.

A nomogram risk prediction model for the prognosis of GEP-NENs patients with distant metastasis was developed based on five independent risk factors: N stage, tumor size, histological type, primary site surgery, and tumor grade.