fig1
Figure 1. Three-level liver resection complexity classification. *AL segments are defined as Couinaud segments 2, 3, 4b, 5, and 6. †PS segments are defined as Couinaud segments 1, 4a, 7, and 8. AL: Anterolateral; PS: posterosuperior. Citation with permission[12]. Copyright 2020, Clinics in liver disease.