A 58-year-old man from rural Maharashtra presents with a 3-month history of right upper quadrant pain and progressive abdominal distension. He has a 20-year history of alcohol use disorder and was diagnosed with cirrhosis 5 years ago. On examination, he is icteric, has hepatomegaly with a hard, nodular surface, and ascites. Serum AFP is 450 ng/mL (normal <20). Ultrasound shows a 4 cm heterogeneous lesion in the right lobe with arterial phase enhancement on contrast-enhanced CT. What is the most likely diagnosis?