Basal cell carcinoma often appears as a shiny bump or red patch on sun-exposed skin. Melanoma typically begins with changes in a mole's size, shape, color, or texture. Early detection can improve ...

Basal cell carcinoma and squamous cell carcinoma are types of skin cancers that form in different layers of your epidermis, the outer layer of your skin. They account for most skin cancers and are ...

Skin cancer occurs when skin cells multiply abnormally, forming a tumor. Sun spots are due to an overproduction of a pigment called melanin in a small area of skin. Melanoma, the most severe type of ...