This CPB has been revised to state that the following are considered experimental, investigational, or unproven: (i) closed incision negative pressure wound therapy (NPWT) for the prevention of surgical site infection or wound dishiscence following cardiac surgery; (ii) closed incisional NPWT for the prevention of surgical site infection or wound dishiscence following lower extremity bypass; (iii) NPWT for the prevention of sternal wound infection, or reduction of wound complication risk after soft tissue sarcoma resection; and (iv) Wound Vac for the treatment of radiation-induced ulcer.