Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The National Surgical Adjuvant Breast and Bowel Project (NSABP) data illustrate the effects of tamoxifen on both invasive and non-invasive breast cancer. Data from the Royal Marsden and the Italian studies include only the number of invasive cancers. The raloxifene data include both invasive and non-invasive breast cancers
