Select Journal or Resource JAMA & Archives Home JAMA Archives of   Dermatology   Facial Plastic Surgery   Family Medicine (1992-2000)   General Psychiatry   Internal Medicine   Neurology   Neurology and Psychiatry (1919-1959)   Ophthalmology   Otolaryngology—Head & Neck Surgery   Pediatrics & Adolescent Medicine   Surgery JAMA-français JAMA & Archives CME Calendar of Events JAMA Career Center For The Media JAMAevidence Peer Review Congress Student JAMA (1998-2004)

	Institution: STANFORD Univ Med Center  | My Account | E-mail Alerts | Access Rights | Sign In Vol. 9 No. 9, September 2000   Archives  •  Online Features  Article Links  • Return to Article Downloading the PowerPoint slide may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it. Copyright restrictions may apply. Please see our Conditions of Use. Reduction in the relative risk of invasive breast cancer among healthy female populations at increased risk, calculated in the NSABP P-1 trial. LCIS indicates lobular carcinoma in situ; AH, atypical hyperplasia; and NSABP, National Surgical Adjuvant Breast and Bowel Project. HOME | CURRENT ISSUE | PAST ISSUES | TOPIC COLLECTIONS | CME | PHYSICIAN JOBS | HELP CONDITIONS OF USE | PRIVACY POLICY | CONTACT US | SITE MAP   © 2009 American Medical Association. All Rights Reserved.