Nodal metastasis is considered a major prognostic factor in patients with ampulla of Vater carcinoma (AVC). No study has investigated the significance of the ratio between metastatic and resected/examined lymph nodes (LNR) in patients with AVC.
Chirurgia Generale B (Pancreas Unit), Department of Surgery, University of Verona, Policlinico GB Rossi, Piazzale LA Scuro, 37134 Verona, Italy. massimo.falconi@univr.it