The liver is enlarged, measuring 173 mm. Lobular hypoechoic lesion within hepatic segment 6/7, measuring 94 x 80 x 71 mm with irregular internal septations. Vascularity cannot be accurately assessed with this ultrasound machine. No other hepatic lesions. The portal vein is 11 mm in calibre and has normal antegrade flow. The hepatic veins are patent.
The gallbladder is thin-walled (2 mm) and does not contain stones or biliary sludge. No intra- or extrahepatic biliary tree dilation. The common bile duct measures 4 mm in diameter.
The right and left kidneys are normal, and measure 141 mm and 149 mm respectively. No hydronephrosis.
The spleen measures on the upper limit of normal (132 mm).
No intra-abdominal free fluid. Pancreas and aorta are unremarkable.
IMPRESSION
Single complex lesion within hepatic segment 6/7, which is favoured to represent an abscess in the given clinical context.