of the 162 patients with a palpably normal prostate who underwent ultrasound-guided biopsy 11 ( 6.7 % ) had cancer and 6 ( 3.7 % ) had grade 3 prostatic intraepithelial neoplasia detected in the biopsy material .
C0033572
prostate
C0154088
grade 3 prostatic intraepithelial neoplasia