skin cancer

Skin cancer is commonly caused by exposure to the sun's UV rays. Types include basal-cell carcinoma, squamous cell carcinoma and malignant melanoma. In carcinoma, you will likely have a red or pink bump that bleeds, crusts and scales. In melanoma, the pigmented areas can be raised or flat; they are often brown or black, but can be (or include) other colors as well, such as blue, red, pink or white. Some raised moles are skin-colored. The most common symptoms of a malignant mole follow an ABCD checklist: