Long-term Major Papilla Metastasis From Lobular Breast Cancer Mimicking Ampullary Neoplasm: An Endoscopic Ultrasound Diagnosis - Mazza, Stefano; Drago, Andrea; Tanzi, Giulia; Soro, Sara; Verga, Maria Chiara; Elvo, Biagio; Laurenza, Carmen; di Luna, Imma; Grassia, Roberto (The American journal of gastroenterology, 2023)