A 47 year old executive consults his physician with complaints of feeling tired and several months of abdominal pain and "dark-colored" urine. The physician does a physical examination and notes that the patient is slightly jaundiced, and his gallbladder is palpable, but not tender. Which of the following disorders is most likely, given this presentation?
Acute cholecystitis Amyloidosis Hepatic cirrhosis Pancreatic cancer