Bleeding and bruising at both the donor and breast sites, infection, fat necrosis (fat that dies and forms firm lumps or oil cysts), fat that shifts or is absorbed unevenly, asymmetry, calcifications, and the liposuction risks of contour irregularity and numbness at the donor site. Fat embolism is a rare, potentially fatal complication reported across fat grafting; it correlates with technique, which is one more reason to choose a surgeon who does this routinely. There is no implant, so there is no rupture, contracture, or implant-associated lymphoma to think about.