Breast Cancer Today the Importance of Screening and Early Diagnosis: A Brief Article Review

Le résumé fourni par la source

Breast cancer remains the most common malignant neoplasm among women worldwide, with 2.3 million new cases and more than 670 thousand deaths estimated in 2022.In Brazil, the National Cancer Institute (INCA) projects 73,610 diagnoses per year for 2023-2025, underscoring the scale of this public-health problem.Mortality reduction fundamentally depends on early detection, achieved through organized screening programs offering high-quality mammography, appropriate periodicity and equitable access.Clinical trials and meta-analyses show a 20 %-40 % decrease in deaths when average-risk women aged 40-74 years are monitored.Technological advances digital mammography with tomosynthesis and artificial-intelligence algorithms have increased sensitivity without raising false-positive rates.Nonetheless, gaps remain: overlapping guidelines, heterogeneous infrastructure, the COVID-19-related 13 %-61 % drop in examinations and socioeconomic disparities that limit benefits in middle-income countries.Public policies aligned with the best evidence, sustainable financing, workforce training and judicious adoption of new technologies are essential to reduce the breast-cancer burden and improve women's survival and quality of life.

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