Comparison of Primary and Secondary Breast Cancers in Adolescents and Young Adults

摘要

BACKGROUNDBreast cancer is one of the most common cancers in adolescent and young adult (AYA) patients (ages 15-39) and may develop de novo or in patients previously treated for cancer. This study compares the demographic, tumor, treatment characteristics, and overall survival (OS) of primary versus secondary (SMN) breast cancer in female AYAs.