Sir my father is 78 years old he was diagnosed with ca prostrate in rat lobe with psa of 35 bone scan showed minimal uptake in rt acetabular area others normal pet scan showed rt acetabular increased uptake other wise he is healthy still now orchiectomy was done 1 years back then on tablet anti androgen 50 mg for 6 months My Q is now his psa is .04 to .08 3 report done once in 3 months for past. One years now he is walking for 50 min brisk my urologist says he is fine no need for radiation does he need any Mri or bone scan will he lead a normal life for another 5 years without any secondaries further (except rtacetabular) or will relapses come he only complaints occasionally tiredness.