A 56-year-old woman has been working as a disinfector for 19 years. She complains of general weakness, nausea, bitter taste in her mouth, heavy sensation in her right subcostal area, and rapid fatigability. Objectively, her body temperature is 37.1°C, the sclerae are icteric, and the liver is enlarged. Total bilirubin is 40 mcmol/L. What is the likely diagnosis?