what is basil cell carsomona
About Basal Cell Carcinoma. Basal cell carcinoma is the most common type of skin cancer. It usually occurs on areas of the skin that have been in the sun, most often the nose. Often this cancer appears as a raised bump that looks smooth and pearly.asal Cells. A small, round cell found in the lower part (or base) of the epidermis, the outer layer of the skin. Carcinoma. Carcinoma is a cancer found in body tissues that cover or line surfaces of organs, glands, or body structures. Epidermis. The outer layer of the two main layers of the skin. Epithelium.