By Elizabeth Landau, CNN

(CNN) – While breast cancer is still the most commonly diagnosed form of cancer among American women, the number of patients dying from the disease continues to decline. That’s the good news; the bad news is that those statistics do not look so good for African-American women.

A new report from the Centers for Disease Control and Prevention suggests that large gaps between black and white women in terms of mortality and stage of diagnosis continue to persist.

Black women still have a disproportionately higher breast cancer death rate - 41% higher than white women. This finding is based on 2005 to 2009 data, showing that even though African-American women have a lower incidence of breast cancer, they are more likely to die of this disease than women in any other racial or ethnic group.

Diagnosis of breast cancer at more aggressive stages is also more common among black women than white women. There were nine more deaths among black women for every 100 breast cancers diagnosed compared to white women.

The report says that mammography may be less frequently used among black women than white women, based on self-reported data. It’s also more common for a longer amount of time to pass between mammograms for black women than white women.

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