Breast cancer subjects with current injury to irradiated skin at the post-mastectomy site will receive fat grafting procedure per standard of care during their 2nd stage breast reconstruction.

Breast cancer subjects with current injury to irradiated skin at the post-mastectomy site will receive their fat grafting procedure until 6 months after their 2nd stage breast reconstruction.

Lipoaspirates will be collected from the own subjects abdominal fat tissue, during the 2nd stage breast reconstruction and will be injected on each affected breast during the insertion of the permanent breast implant in the 2nd stage of breast reconstruction

Number of subjects to show reverse radiation-induced skin injury

Change in BREAST-Q patient-reported questionnaire to assess quality of life and patient satisfaction by using questions pertaining to the function and participation in activities after fat grafting. Subjects are asked to answer 16 questions on how often they experienced each symptom, using a score of 1 to 5, where 1 was none of the time and 5 was very often. Answers from these questions were combined to provide a total physical well-being score (for a total possible range of 16-80). Lower scores reflected fewer symptoms and higher satisfaction where higher scores reflected more symptoms and less satisfaction.

Change in patient-reported Skin-16 questionnaire used to assess skin condition after fat grafting by using 16 questions on how often subjects skin condition has bothered them during the past week, using a score of 0 to 6, where 0 is never bothered and 10 is always bothered.

Change in patient-reported skin toxicity costs questionnaire used to assess the economic impact of skin changes due to radiation after fat grafting by using 7 questions asking subjects to report total costs and itemized spending on specific items related to post procedure care.