Many sites in Canada, the United States and Spain are enrolling women on the ExCel research study.

If you are interested in participating, or want to find out more about the study or clinical trials in general, there are 2 ways to get more information:

• If you live in the United States, please call the National Cancer Institute's Cancer Information Service toll-free at 1-800-4-CANCER (1-800-422-6237). The number for callers with TTY equipment is 1-800-332-8615.
• If you live in Canada, please call the Canadian Cancer Society's Cancer Information Service toll-free at 1 888 939-3333.

You can also search for a participating center in your community.

We encourage you to discuss the study with your doctor, family and friends.

Thank you for your interest in the ExCel research study.