1 Autologous fat transfer after breast cancer surgery: an exact-matching study on the long-term oncological safety Luca Sorrentino a , MD, Lea Regolo b , MD, Elisabetta Scoccia b , MD, Gianfranco Petrolo b , MD, Daniela Bossi b , MD, Sara Albasini b , MSc, Annalisa Caruso a , MD, Renzo Vanna c , PhD, Carlo Morasso c , PhD, Serena Mazzucchelli a , PhD, Marta Truffi a , PhD, Fabio Corsi a,b* , MD a Department of Biomedical and Clinical Sciences “Luigi Sacco”, University of Milan, via G. B. Grassi 74, 20157 Milan, Italy b Surgery Department, Breast Unit, Istituti Clinici Scientifici Maugeri IRCCS, via Maugeri 4, 27100 Pavia, Italy c Nanomedicine and Molecular Imaging Lab, Istituti Clinici Scientifici Maugeri IRCCS, via Maugeri 4, 27100 Pavia, Italy *Corresponding Authors: Prof. Fabio Corsi, MD Department of Biomedical and Clinical Sciences “Luigi Sacco”, University of Milan, Via G. B. Grassi, 74, 20157 Milan, Italy Surgery Department, Breast Unit, ICS Maugeri S.p.A. SB, via Maugeri 10, 27100 Pavia, Italy E-mail: fabio.corsi@unimi.it - Phone: +39.02.5031.9850 - Fax: +39.02.5031.9846 Declarations of interest: None. Role of the funding source: None. Funding: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.