Understanding Skin Cancer Anatomical Chart, Second Edition defines skin cancer and provides detailed illustrations of how it develops from sun exposure. The chart shows and discusses various types of ultraviolet radiation and how each kind penetrates the skin layers. It illustrates and shows photos of various types of precancer and cancer, lists the ABCD's of malignant melanoma, and provides a graph which indicates the incidence of melanoma is rising rapidly. The chart shows how skin naturally works to prevent skin cancer, illustrates the difference between sunscreen and sunblock, and offers advice on self-examination, how to avoid the sun, and more.