(A) Pelvic block taken from 70-year-old adult male from the bladder (B) to the neck of the penis (NP). (B) The specimen was cut into 1-cm macroscopic blocks. (C) These blocks were put in mega-cassettes (code: 38VSP59040) before being embedded in paraffin. (D) Histological section of the previous block stained by TreM and scanned at high resolution (3200 dots inch−1, dpi). R, rectum; P, prostate; CP, crura of penis; PS, penile shaft.