ABSTRACT
For each of the following scenarios, select the most useful tumour marker. Each option may be used once, more than once or not at all.
1. A 56-year-old man has a 1-month history of weight loss, anorexia and worsening jaundice. A blood test shows a bilirubin of 300 µmol/ L, an AST of 55 IU/L and an alkaline phosphatase of 760 IU/L.
