Men between 55 and 65 years of age with a clinical diagnosis of prostate cancer with Low or Intermediate risk prostate cancer, and \<50% positive core rate by prostate lobe

Men older than 65 years of age with clinical diagnosis of prostate cancer \<50% positive core rate by prostate lobe

Absence of extra-capsular extension

Absence of seminal vesicle invasion

Absence of regional or distant metastatic disease

Multiparametric MRI of the prostate performed either before the biopsy or \>10 weeks after prostate biopsy

Treated with Cryotherapy of the prostate

Treatment based on co-registration between MP-MRI and Prostate Ultrasound

Prior treatment of prostate cancer in the form of surgery.

Performance status greater than 0 based on ECOG criteria

Mental status impairment