Breast Cancer Tends to Grow Faster in Younger Women

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One expert thinks this study again confirms the need for women to have a mammogram every year.

"This study continues to prove why we need to screen women every year, starting at age 40," said Debbie Saslow, director of breast and gynecologic cancer at the American Cancer Society.

This is another study that shows that tumors grow faster in younger women, Saslow said. "It just doesn't make sense to have guidelines that say younger women should be screened every one to two years and every year as they get older," she said.

More information

For more on breast cancer, visit the U.S. National Cancer Institute.