the act of diluting or the state of being diluted. 2. something diluted. Origin of dilution. 1640-1650. First recorded in 1640-50; dilute + -ion.
Calcifications: Calcifications are tiny flecks of calcium â like grains of salt â in the soft tissue of the breast that can sometimes indicate the presence of an early breast cancer. Calcifications usually can't be felt, but they appear on a mammogram. Depending on how they're clustered and their shape, size, and number, your doctor may want to do further tests. Big calcifications â macrocalcifications â are usually not associated with cancer.
Breast calcifications. Calcifications are small calcium deposits in the breast that show up as white spots on a mammogram. Large, round, well-defined calcifications (left column) are more likely to be noncancerous (benign). Tight clusters of tiny, irregularly shaped calcifications (right column) may indicate cancer.