The most indicative test for prostate cancer is:
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.
A thorough digital rectal examination
Magnetic resonance imaging (MRI)
Excretory urography
Prostate-specific antigen