Pediatric Malignant Phyllodes Tumors of the Breast: Characteristics and Outcomes Based on the Surveillance Epidemiology and End Results Database

Malignant phyllodes tumors of the breast are uncommon in women and rare in children. This study aimed to assess the differences in survival among five specific pathologic groups of breast malignancies and the differences between pediatric and adult breast phyllodes malignancy.Using the Surveillance, Epidemiology, and End Results database, we collected data on 270 pediatric (aged ≤21 y) female breast malignant tumor patients and 2773 female...