Definition: Polyadenoma, also known as a pseudogene or a "non-coding" gene, is a type of cancerous cell that arises from a non-coding region within a normal chromosome. It typically results in the formation of an abnormal protein or genetic material, which can cause various types of disease such as cancer and neurological disorders. Polyadenomas are found in many different tissues, including the nervous system, lung, liver, skin, and other organs. They are often asymptomatic but may