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Background
Malignant phyllodes (MP) and primary breast sarcomas (PBS) are rare neoplasms with overlapping histopathologic features. We compared overall survival (OS) and estimated the association of surgery and therapies with OS.
Methods
We utilized the National Cancer Database (2004–2016). Patients without surgery, unknown surgery, or margins, or Stage IV disease were excluded. Kaplan–Meier curves...