They are also able to correct deviated septums, which are a common airway blockage. Once this is completed, the incisions are closed and splits are placed to maintain stability during the healing process.[45] Aesthetic surgery is also common following tumor resections, where plastic surgeons correct soft tissue or bone misalignments that occurred due to the removal of a tumor. These procedures can involve bone grafts from the pelvis or ribs to replace removed bone and implantation of titanium plates and screws to hold pieces of bone together.