What is a mammogram, and why are they important?

Breast cancer accounts for 1 in 3 of all new cancers diagnosed in women in the U.S. each year, according to the American Cancer Society. It's estimated that more than 43,00 women in the U.S. will die from breast cancer this year.
Breast cancer accounts for 1 in 3 of all new cancers diagnosed in women in the U.S. each year, according to the American Cancer Society. It’s estimated that more than 43,00 women in the U.S. will die from breast cancer this year.