Surgical Margins and Adjuvant Therapies in Malignant Phyllodes Tumors of the Breast: A Multicenter Retrospective Study

The French Sarcoma Group (GSF-GETO), Mathias Neron, Christophe Sajous, Simon Thézenas, Sophie Piperno‐Neumann, Fabien Reyal, Marick Laé, Camille Chakiba, Audrey Michot, Nicolas Penel, Charles Honoré, C. A. Owen, François Bertucci, Sébastien Salas, Esma Saâda-Bouzid, Thibaud Valentin, Emmanuelle Bompas, Mehdi Brahmi, Isabelle Ray‐Coquard, Jean‐Yves Blay, Nelly Firmin