DUBLIN, Ohio--(BUSINESS WIRE)--Neoprobe Corporation (OTCBB: NEOP), a diversified developer of innovative oncology surgical and diagnostic products, today announced that a third multi-center Phase 3 clinical study of Lymphoseek® (NEO3-09) has received investigational review board approval and begun enrollment of subjects diagnosed with breast cancer or melanoma. The Phase 3 study has been registered on the national clinical trials website www.clinicaltrials.gov.