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.
Types of carcinoma. Carcinomas can occur in many parts of the body. Some common types of carcinoma include: 1  Basal cell carcinoma: The most common type of skin cancer. 2  Cancerous cells develop within the basal cell layer of the skin, or the lowest part of the epidermis.ome common types of carcinoma include: 1  Basal cell carcinoma: The most common type of skin cancer. 2  Cancerous cells develop within the basal cell layer of the skin, or the lowest part of the epidermis.