UV radiation

A rare genetic disorder that transforms a person's hands and feet, in particular, into tree-bark-like warts and cutaneous horns made news recently. It's truly out of the ordinary. So what's this all about? 
Concluding our two-part series on important melanoma topics, we focus on immunotherapy and the new frontier in the areas of research and treatment by engaging three experts from the Wistar Institute Melanoma Research Center.