Fig. 3From: Point-of-care ultrasound to inform antiviral treatment initiation in chronic hepatitis B virus infection in low-resource settings – the PUSH protocolEnlarged caudate lobe: (a) In the normal liver the caudate lobe is small and in the epigastric longitudinal scan the profile resembles a shark. In cirrhosis, the caudate lobe may enlarge due to redistribution of blood supply and consecutive hypertrophy; the “shark face” is distorted (b)Back to article page