DIAGNOSTIC ACCURACY OF DOPPLER ULTRASOUND IN DETECTION OF PORTAL VEIN THROMBOSIS IN PATIENTS WITH HEPATOCELLULAR CARCINOMA TAKING COMPUTED TOMOGRAPHY (CT) AS THE GOLD STANDARD. Frontier in Medical and Health Research, [S. l.], v. 3, n. 5, p. 491–496, 2025. Disponível em: https://fmhr.net/index.php/fmhr/article/view/539.. Acesso em: 23 sep. 2026.