Electrocauterization: Cauterization is the process of destroying tissue by using chemical corrosion or electricity, or by heating or freezing it. Electrocautery is done using a small probe, which has an electric current running through it, to cauterize (burn or destroy) the tissue. It is frequently used to stop bleeding.

Epidermis: The upper or outer layer of tissue that makes up the skin.

Excisional biopsy: A surgical procedure in which a tumor is removed and examined under a microscope to check for cancer cells.