KNOXVILLE, Tenn.--(BUSINESS WIRE)--Provectus Pharmaceuticals, Inc. (OTCBB: PVCT, http://www.pvct.com), a development-stage oncology and dermatology biopharmaceutical company, announces that nonclinical data on the immunologic mechanism of action of PV-10, presented at the Society of Surgical Oncology Annual Meeting, confirms that PV-10 chemoablation of melanoma lesions induces a systemic response that can lead to regression of synchronous lung metastases or synchronous subcutaneous melanoma. Details from the poster presentation are expected to be made available by Provectus next week.