Source:http://linkedlifedata.com/resource/umls/id/C1518823
NCI: A measurement of how fast PSA levels in the blood increase over time. A high PSA velocity may be a sign of prostate cancer and may help find fast-growing prostate cancers.,NCI: A type of PSA assay which compares changes in PSA levels over time. A sharp rise in the PSA level raises the suspicion of cancer. (from Cancer Information Service)