Skin cancer is the most common of all cancers and its increasing, almost certainly due to exposure to sunlight and ultraviolet lights used in tanning shops.
Basal cell carcinoma begins in the deep basal cell layer of the epidermis. Affect mostly the sun exposed area such as face, and the neck. Its not dangerous cancers but must be treated to avoid it spreading.
The first warning signs may be small lumps, scar-like changes, or eczema-like changes on the skin which never heals. The first sign can also be a small sore with raised borders. It is a slow-growing cancer and it never spreads to other parts of the body.