Does the presence of ductal adenocarcinoma change how you risk stratify or treat patients with localized prostate cancer?   

Ductal adenocarcinoma (DAC) of the prostate is a distinct, but rare (< 1%) subtype of prostate adenocarcinoma. DAC originates from primary periurethral prostatic ducts or in the peripheral prostatic ducts. Because of its predominantly periurethral location, it may present with hematuria, urgency,...