A prostate tumor on the left lateral peripheral zone with a Gleason score of 3+4 is seen. Axial T2 weigheted image shows the index lesion matched with radical prostatectomy specimen. Pathological analyses revealed p-RD = 0.5 mm and p-LCC = 15 mm while the radiologists respectively report MR-LCC1 = 15.2 mm and MR-LCC2 =16.0 mm.