title: Serum PSA as a tumor marker for patients undergoing definitive radiation therapy.
abstract: This article summarizes the clinical utility of PSA both as pretreatment prognostic factor and as an invaluable post-treatment marker. Some pathobiologic correlations between serum PSA kinetics and putative tumor cell kinetic mechanisms are discussed.
authors.affiliation: University of Texas, MD Anderson Cancer Center, Houston.
authors.forename: G K
authors.initials: GK
authors.lastname: Zagars
mesh_terms: D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D011379:Prognosis; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000175:diagnosis / Q000532:radiotherapy*
chemical_list: D017430:Prostate-Specific Antigen