You can build a new house on top of an existing foundation, the real question is should you build on an old foundation. â¢ What shape is the foundation in? You will have to get a professional to give you a report on what state your existing foundation is in currently.
Ultraviolet (UV) rays from the sun or from a tanning bed are the main cause of basal cell carcinoma. When UV rays hit your skin, over time, they can damage the DNA in your skin cells. The DNA holds the code for the way these cells grow. Over time, damage to the DNA can cause cancer to form.
Basal Cell Carcinomas (BCC) are the. most common skin cancers originating. in the epidermis. Basal cell carcinomas. originate in the basal layer of keratino-. cytes, which is the deepest cell layer of. the epidermis. Squamous cell carcinomas. (SCC) stem from the more superficial lay-. ers of keratinocytes. Based on their histol-. ogy, the lesions called âactinic keratosisâ. appear to be early stages of squamous cell. carcinoma (1).