Complex sentence: Patients suffering from chronic HCV infection are at significant risk of cirrhosis and hepatocellular carcinoma, which are the leading causes of death for those infected (14) (15).
Split into simpler sentences: Patients suffering from chronic HCV infection are at significant risk of cirrhosis and hepatocellular carcinoma. Cirrhosis, liver failure and liver cancer are the leading causes of death for those infected by HCV (14) (15).