Mr. Patel is a 64-year-old man who was told by another care…

Mr. Patel is a 64-year-old man who was told by another care provider that his liver is enlarged. Although he is a life-long smoker, he has never used drugs or alcohol and has no knowledge of liver disease. Indeed, on examination, a liver edge is palpable 4 centimeters below the costal arch. Which of the following would you do next?