Panel A: Low magnification of the liver biopsy (HE 120 ×). The portal tract (PT) is infiltrated by a mixed inflammatory reaction. Microgranulomatous cell reaction (G) is visible. Panel B: Typical "spider-web" network pattern at hepatic angiography in the setting of partial Budd-Chiari syndrome. Panel C: Abdominal CT scan showing a fresh thrombus in the ostium of the right hepatic vein (arrow). Panel D: Low magnification of liver biopsy showing marked sinusoidal dilatation (S) and congestion around the central vein (CV). PV: portal vein.