Editing Prostate (section)

== Answers ==

# From which zone of the prostate does the majority of prostate cancer arise from? BPH arise from?
#* Prostate cancer usually (70%) arise from the peripheral zone; 20% arise in transitional zone
#* BPH usually arises from the transitional zone
# Which zone of the prostate surrounds the ejaculatory ducts? Which is the smallest zone?
#* Central zone
#* Transitional zone
# What are the primary lymphatic drainage sites of the prostate?
#* Obturator, internal iliac