Basal cell carcinoma is a non-melanocytic cancer of the skin (that is, an epithelial tumor) that arises from basal cells, that is, small, round cells located in the lower layer of the skin. It is con...

Commonly called "moles" (medically called nevi), they are the most common skin tumor. Benign tumors are all skin lesions that do not have malignancies and do not cause any health problems. Malignant...