What Is the Primary Reason That Prostate Cancer Rarely Metastasizes

Multiple Choice

What is the primary reason that prostate cancer rarely metastasizes to the bowel?

A) The capsular artery supplies blood to the bowel before the prostate.
B) The inferior vesical artery supplies blood to the bowel before the prostate.
C) The rectourethral fistula acts as a physical barrier to metastasis.
D) The Denonvilliers fascia acts as a physical barrier to metastasis.