ASO Visual Abstract: Clinical Significance of Circulating Tumor Cells in the Portal Vein of Patients with Hepatocellular Carcinoma Undergoing Anatomical Liver Resection. - Takei D; Kobayashi T; Hamaoka M; Matsubara K; Oshita K; Namba Y; Tadokoro T; Tanaka Y; Kuroda S; Ohdan H (Annals of surgical oncology, 2026)