Lawrence Fong, MD, associate professor, Department of Medicine (Hematology/Oncology), University of California, San Francisco, discusses the systemic antitumor effect and clinical response in a phase II trial of intratumoral electroporation of plasmid interleukin-12 (IL-12) in patients with advanced melanoma. More from this Special Report on melanoma: http://www.targetedonc.com/special-re...