Study Reveals Key to Decrease in Breast Cancer Mortality Rates

In a groundbreaking study presented at the annual meeting of the Radiological Society of North America on Nov. 30, 2023, researchers in Sweden shed light on the crucial role of regular mammograms in enhancing breast cancer survival rates.

The study, conducted over a period from 1992 to 2016, delved into the medical records of 37,079 women diagnosed with breast cancer. Notably, all women between the ages of 40 and 74 in Sweden are offered free mammograms every two years as part of the country's screening program.

The findings unveiled a striking correlation between the frequency of mammogram attendance and breast cancer survival rates. Women who diligently attended all their scheduled mammograms experienced a remarkable 66% lower risk of dying from breast cancer compared to those who did not undergo any mammograms.

Further analysis revealed that participation rates varied, with 58% to 73% of women attending all their scheduled screenings and 73% to 96% participating in at least one mammogram. The impact on survival rates was stark - those who adhered to their scheduled screenings exhibited survival rates ranging from 82.7% to 86.9%. Conversely, women who neglected mammograms faced lower survival rates, ranging from 59.1% to 77.6%.

The study addresses the ongoing confusion surrounding mammogram recommendations, particularly the age to commence screenings and their frequency. This research aligns with the 2022 guidelines from the National Comprehensive Cancer Network, advocating annual mammograms for women aged 40 and older at average risk of breast cancer.

The significance of these findings cannot be overstated, offering a clear message that regular mammograms, especially for women aged 40 and above, play a pivotal role in improving breast cancer survival rates. As the debate on breast cancer screening guidelines persists, studies like these provide valuable insights that can guide healthcare practices and empower individuals to make informed decisions about their health.


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