NCIt definition : A neoplastic proliferation of the epithelial cells that line the acini and the ducts
of the prostate gland. The neoplastic epithelial cells are confined within the acini
and the ducts and they do not invade the surrounding prostatic stroma. Morphologically,
it is classified as low or high grade.;
Alternative definition : NCI-GLOSS: Noncancerous growth of cells lining the internal and external surfaces
of the prostate gland. Having high-grade PIN may increase the risk of developing prostate
cancer.;
Neoplastic status : Undetermined;
Codes from synonyms : CDR0000403141; 10036912; CDR0000044345;