NEGATIVE PREDICTIVE VALUE (NPV) - Proportion of true negative tests when a modality gives a negative test result.
NEOADJUVANT - Therapy given before and/or during primary therapy.
NEUROVASCULAR BUNDLES - Nerves and blood vessels running on either side of the prostate that allow the penis to become erect.
NEPHRECTOMY - Removal of the kidney.
NEPHROURETERECTOMY - Removal of the kidney and ureter.
NORTHERN BLOT - An experimental technique designed to identify and quantitate RNA.
NUCLEUS - A spherical body within a cell containing genetic material.