Mortality after second malignancy in breast cancer survivors compared to a first primary cancer: a nationwide longitudinal cohort study | npj Breast Cancer - Nature.com

npj Breast Cancer - Mortality after second malignancy in breast cancer survivors compared to a first primary cancer: a nationwide longitudinal cohort study

Study population and study design The study population was identified from the SEER 18 database34. SEER is a US national program that has been in existence since 1973 that collects patient data from… [+8770 chars]

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