You are reviewing blood results and find a raised alanine aminotransferase (ALT) for Mr Jones, a 48 year old male patient. You review him and find out blood tests were done as a routine check prior to starting a statin. He tells you he feels well, has no pain or weight loss, and has no family history of liver disease. He drinks a maximum of 2 units of alcohol twice per week. His notes show that his BMI is 35mg/kg2 and he takes no medications.
What is the most likely diagnosis from this history?