Data Collection of Prepectoral Breast Reconstruction With Polyurethane Implantes

The study is a data collection of 250 patients for a total of 317 breasts underwent prepectoral breast recosntruction with polyurethane implantes. It is a retrospective study of a single center. The investigators gave indication to that type of reconstruction only to patients with good thickness (\> 0.5 cm) and vascularity of skin flap after mastectomy. The investigators used not selective criteria regarding risk factors so to better evaluate wich of them has a negative trend on the success of the reconstruction and on the major and minor complications. In that way the investigators tried to definde clarly the correct indications for this type of reconstruction. In addition, the investigators would like to define if the postoperative radiation therapy agument the complications rate and the capsular contracture incidence. The investigators decide to perform prepectoral breast reconstruction also in 20 patientes underwent previous radiotherapy dependig on the grade of cutaneus radiodistrophy, so to propose our less invasive approach to these patients normally candidates to autologus breast reconstruction