Figure 2
From: Liver biopsy assessment in chronic viral hepatitis: a personal, practical approach
Metavir algorithm for the evaluation of histological activity. PMN, piecemeal necrosis; 0, none; 1, mild; 2, moderate; 3, severe; LN, lobular necrosis; 0, no or mild; 1, moderate; 2, severe; A, histological activity score; 0, none; 1, mild; 2, moderate; 3, severe.
