The differential diagnosis or list of possible things that could cause what you're describing is a mile long (or at least it seems like it). A number of factors come to mind. In older (former) smokers w/high blood pressure,
Impact of Radiation on Breast Reconstructionby
Dr. CRadiation therapy is often recommended as part of breast cancer treatment. Patients undergoing lumpectomy receive radiation routinely once they've healed from surgery. Some mastectomy patients also need...