MSFinals-3729
A 68-year-old retired banker is referred to the Urology Clinic with a 4-month history of poor stream when passing urine. Over the past few weeks, the patient has also noticed some blood in his urine.
He is normally fit and well. The only medical history of note is type 2 diabetes, which is well controlled with diet alone.
On rectal examination, the patient is noted to have an enlarged, irregularly shaped prostate.
A raised level of which of the tumour markers below would be most commonly associated with carcinoma of the prostate?