The 5-year age-standardized population-based breast cancer survival rates in most developing countries vary between 9.5 and 66.0%, which are significantly lower than in high-income countries. This poor survival reflects the limited breast cancer awareness among women and primary care practitioners, advanced clinical presentation and limited capacity for early diagnosis and effective multimodality treatment and a significant proportion of breast cancer patients not accessing care or not completing treatment due to poorly developed and poorly accessible healthcare services or socioeconomic barriers.
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