Complex sentence: However, liver biopsy is invasive, is associated with a small but significant risk (especially of bleeding and infection) that is made more likely by liver injury and cirrhosis, it is not typically the initial diagnostic test.
Split into simpler sentences: However, liver biopsy is invasive and is associated with a small but significant risk (especially of bleeding and infection) that is made more likely by liver injury and cirrhosis. Therefore, it is not typically the initial diagnostic test.