Unlike other cancers, the vast majority of skin cancers have no potential to spread to other parts of the body (metastasize) and become life-threatening. There are two major types of skin cancer: basal cell carcinoma (the most common) and squamous cell carcinoma (the second most common). Melanoma is also a form of skin cancer but is far less common, though more dangerous, than the other two varieties.
The definition of backfill is material used to refill a hole, usually what was previously dug out of the hole. Dirt and gravel are examples of backfill. Backfill is defined as to return soil and other materials to a hole after it was dug.
landâ¢fill. 1. Also called sanitary landfill. a low area of land that is built up from deposits of solid refuse in layers covered by soil. 2. the solid refuse itself.3. to create more usable land by this means. 4. to build up (an area of land) by means of a landfill.andâ¢fill. 1. Also called sanitary landfill. a low area of land that is built up from deposits of solid refuse in layers covered by soil. 2. the solid refuse itself.