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GREATEST MORTALITY REDUCTION
Annual screening mammography starting at age 40 results in the greatest mortality reduction, the most lives saved and the most life years gained (LYG). This is why the American College of Radiology and the Society of Breast Imaging recommend regular mammography in women 40 and older (including 40-49).

CANCER INCIDENCE INCREASES
Breast cancer incidence increases substantially around age 40. The incidence rate for ages 40-44 is twice that for ages 35-39 (122.5 vs 59.5 per 100,000 women). For ages 45-49, it is 188.6 per 100,000 women; it continues to increase until age 80.

CANCER OCCURRENCE
One in six breast cancers occur in women aged 40-49.

YEARS OF LIFE SAVED
40 percent of all the years of life saved by mammography are among women in their 40s.

REGULAR SCREENING CUTS DEATH BY 1/3
The largest (Hellquist et al) and longest running (Tabar et al) breast cancer screening trials in history have reconfirmed that regular mammography screening cuts breast cancer deaths by roughly 1/3 of all women ages 40 and over (including women ages 40-49).

YEARS OF LIFE LOST
The years of life lost to breast cancer are highest for women in their 40s.

GREATEST MORTALITY REDUCTION
The recent Pan-Canadian Mammography Study (Coldman et al) involved over 2.7 million women screened in Canada and showed an average mortality reduction of 40 percent, which was the same for women 40-49 as for older age groups.

LIFE YEARS GAINED IN WOMEN STARTING AT 40
The U.S. Preventive Services Task Force (USPSTF) acknowledges an increase in total number of lives saved and life-years gained in women who start mammography screening in their 40s.

INCREASE IN LIVES SAVED
Annual screening results in more lives saved from breast cancer than biennial screening. USPSTF scientific review now shows annual screening beginning at age 40 provides the most lives saved.

CUT THE RISK OF DYING NEARLY IN HALF
A study (Otto et al) published in Cancer Epidemiology, Biomarkers and Prevention shows mammography screening cuts the risk of dying from breast cancer nearly in half.

INCREASE IN DEATHS
A recent study published in Cancer showed that more than 70 percent of the women who died from breast cancer in their 40s at major Harvard teaching hospitals were among the 20 percent of women who were not being screened. Because medical science cannot determine which cancers will advance to kill a woman and which will not, all women 40 and older should be screened annually.