The medical guidance should come from a team of medical professionals, a second opinion surgeon/urologist, a radiation oncologist and a medical oncologist not all from the same practice so as to avoid any potential conflicts of interest with self referrals.
In theory the medical oncologist is the least biased with respect to surgery versus radiation, but listen to them all and then decide for yourself.
From your prior post it sounds like you are in India, and seeking treatment in US. You can't do better than the advice Tall Allen gave in that thread in link below
www.healingwell.com/community/default.aspx?f=35&m=2915316&g=2915713#m2915713LupronJim