ASO Author Reflections: Ampulla of Vater Carcinoma with Advanced Pancreatic Invasion Imply Advanced Tumor Progression to Systemic Disease. - Miura Y; Ohgi K; Ohike N; Ashida R; Yamada M; Otsuka S; Kato Y; Norose T; Uesaka K; Sugiura T (Annals of surgical oncology, 2024)