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Annals of Hepatology
Approximately 30% of patients with chronic HCV infection have persistently normal alanine aminotransferase levels (PNALT). Most of these patients have minimal or mild inflammation and absent or minimal fibrosis, although occasionally cirrhosis and hepatocarcinoma may be seen. Overall, liver histology is significantly less severe than in patients with elevated ALT levels, and most follow-up studies have reported stability of the disease, with minimal fibrosis progression over years, and thus apmid:20714000 fatcat:nuktu3kc6zernfkyoynpn675ke