ASO Author Reflections: Beware the Collaterals: Vein Formation Signals Higher Surgical Risk in Pancreatic Ductal Adenocarcinoma. - Miyata T; Oba A; Kobayashi K; Ono Y; Ito H; Iwatsuki M; Matsueda K; Inoue Y; Takahashi Y (Annals of surgical oncology, 2026)