The computer program marks four or five spots on the average screening mammogram.

For example, a screening mammogram may find a lump in the breast.

"I never thought that it could happen to me," says Guzman, who was too young at the time for routine screening mammograms.

Also, some breast cancers found on a screening mammogram may never cause symptoms or become life-threatening.

The debate hinges on the quality of the studies that show regular screening mammograms reduce the death rate from breast cancer.

Many times, it's not even detected by routine screening mammograms.

She said that the wait at Stamford Hospital for a screening mammogram is between six weeks and two months.

On a screening mammogram, questionable abnormalities sometimes require additional evaluation.

Potential abnormalities are found in up to 11% of women who have screening mammograms.

Potential abnormalities are found in 6% to 8% percent of women who have screening mammograms.