In this issue of Hematology/Oncology Clinics , guest editor Dr. David E. Fisher brings his considerable expertise to the topic of Cutaneous Oncology . Top experts first provide information on skin structure, function, and immunology, then offer overviews of the therapeutic state of the art for both melanoma and non-melanoma skin cancers. Discussions focus on unique clinical challenges and biological breakthroughs which have come to light in recent studies of cutaneous malignancies.