NCI Fact Sheets on Cancers

Prostate-Specific Antigen (PSA) Test

A fact sheet that describes the PSA screening test for prostate cancer and explains the benefits and limitations of the test.

Hormone Therapy for Breast Cancer

A fact sheet that describes hormone therapy (including antiestrogens, LH-RH agonists, aromatase inhibitors, and SERMs) and its role in preventing and treating breast cancer. Includes information about possible side effects.