Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Adenoameloblastoma ?
    ### Response:
    Adenoameloblastoma is a lesion that is often found in the upper jaw. Some consider it a non-cancerous tumor, others a hamartoma (tumor-like growth) or cyst.  Often, an early sign of the lesion is painless swelling. These tumors are rarely found outside of the jaw.
    