Department of Pathology and Laboratory Medicine;
University of Pennsylvania Perelman School of Medicine;
Hospital of the University of Pennsylvania;
Philadelphia;
USA;
Department of Surgery;
University of Pennsylvania Perelman School of Medicine;
Philadelphia;
USA;
Rena Rowen Breast Center;
Hospital of the University of Pennsylvania;
Philadelphia;
USA;
Angiosarcoma; Atypical; Vascular; Lesion; MYC; Amplification; Radiation; Associated; Sarcoma;