Fig. 1From: Outcomes and management of delayed complication after severe blunt liver injuryDifferent types of liver trauma. a < 1 cm depth laceration or < 10% surface area haematoma defines a grade I lesion. b 1–3 cm depth laceration or intraparenchymal haematoma defines a grade II lesion. c A laceration greater than 10 cm diameter or active bleeding within the parenchyma defines a grade III lesion. d Parenchymal disruption of 25–75% in a lobe defines a grade IV lesion. e Parenchymal disruption of greater than 75% in a lobe defines a grade V lesionBack to article page