D48: Neoplasm of uncertain or unknown behaviour of other and unspecified sites

D48.2: Neoplasm of uncertain or unknown behaviour: Peripheral nerves and autonomic nervous system

When there is abnormal growth of tissue, then this is also referred to as a tumor. The tissue in the body is made up of cells. A tumor disorder involves the cells multiplying more than normal. This results in abnormal or excess tissue forming. A tumor can be benign or malignant.

Many nerves run from the spinal cord and brain to the organs, skin and muscles in the body.