What does PSA stand for?

What does PSA mean?

PSA	Planning And Service Area Miscellaneous » Unclassified
PSA	Professional Squash Association Business » Professional Organizations
PSA	Philippine Student Association Academic & Science » Universities
PSA	Professional Skaters Association Business » Professional Organizations
PSA	Problem Statement Analyzer Governmental » Military
PSA	Professional Service Automation Miscellaneous » Unclassified
PSA	Protein Specific Antigen Medical » Human Genome
PSA	Pastel Society Of America Miscellaneous » Unclassified
PSA	Post Shakedown Availability Governmental » Military
PSA	Port Support Activity Governmental » Military
PSA	Parent School Association Community » Educational
PSA	Personal Sport Audio Community » Media
PSA	Prostrate Specific Antigen Miscellaneous » Unclassified
PSA	Personal Savings Account Business » Accounting
PSA	Pre Scheduled Appointment Business » General
PSA	Profiles Of Selected Architects Miscellaneous » Unclassified
PSA	Production Share Agreement Business » General
PSA	Per Screen Average Miscellaneous » Unit Measures
PSA	Partido Socialista de Aragón International » Spanish
PSA	Prefixed Save Area Computing » Databases
PSA	Pre-Scheduled Appointment Medical » Hospitals
PSA	Peel Summer Academy Academic & Science » Universities
PSA	Prosate Specific Antigen Medical » Oncology
PSA	Problem Solution Acceptance Business » General
PSA	Personal Sports Audio Community » Sports

PSA: prostate specific antigen: a protein, produced by the prostate, elevated levels of which may indicate the presence of cancer.