Affiliation:
1. Department of Hematology and Oncology, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico City, Mexico
Abstract
Breast cancer is the most common cancer in women in both developed and developing countries and the second most common cancer in the world. Developing countries are increasingly adopting a Western lifestyle, such as changes in diet and delayed first childbirth, lower parity, and shorter periods of breastfeeding, which are important determinants of a higher incidence of breast cancer among those regions. Low- and middle-income countries (LMICs) represent most of the countries with the highest mortality rates, ranging from 40% to 60%. Furthermore, developing countries account for scarce survival data, and the few data available coincide with the observed incidence and mortality differences. Five-year survival rates for breast cancer are much worse for LMICs countries such as Brazil, India, and Algeria in comparison with the United States and Sweden. Paucity of early detection programs explain these poor survival rates, which results in a high proportion of women presenting with late-stage disease, along with lack of adequate diagnosis and treatment facilities. Emphasis is urgently needed on health education, to promote early diagnosis of breast cancer, highlighting the importance of creating more public facilities that provide treatment, which are key components for the improvement in breast cancer care in developing countries.
Cited by
142 articles.
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