This study aims to evaluate diagnostic performance of CT attenuation parameters acquired using deep learning algorithm in assessing hepatic steatosis and fibrosis.

Inclusion Criteria:

• chronic hepatitis B
• no chronic liver disease other than chronic hepatitis B
• Body mass index >= 23

Exclusion Criteria:

• pregnant women
• unable to perform MRI examinations due to claustrophobia or metallic foreign body
• suspicious hepatic malignancy on previous imaging studies
• history of local treatment for hepatic lesions
• history of surgery or catheter insertion of liver or spleen

Patients with chronic hepatitis B who follow up at Seoul National University Hospital having no history of hepatic malignancies