The most indicative test for prostate cancer is:: (A) A thorough digital rectal examination, (B) Magnetic resonance imaging (MRI), (C) Excretory urography, (D) Prostate-specific antigen
Answer is D. An elevated prostate-specific antigen level indicates prostate cancer, but it can be falsely elevated if done after the prostate gland is manipulated.

Option A: A digital rectal examination should be done as part of the yearly screening, and then the antigen test is done if the digital exam suggests cancer.
Option B: MRI is used in staging the cancer.