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186240 Medicine

A 33-year-old male immigrant from Taiwan presents with increasing right upper quadrant (RUQ) pain. The pain is dull, and it does not radiate or change with eating. On examination the abdomen is soft, there is a mass in the RUQ, and no ascites is clinically detected. He has a prior history of hepatitis B. His laboratory investigations reveal hepatitis B surface antigen (HBsAg) positive, hepatitis B surface antibody (HBsAb) negative, aspartate amino transferase (AST) 60 U/L, alanine amino transferase (ALT) 72 U/L, and an elevated alpha-fetoprotein level. Which of the following is the most likely diagnosis?

Ahepatoma
Bhepatocellular carcinoma (HCC)
Cmetastatic cancer
Dhepatic hemangioma
Medicine
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