Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Colonic Polyps ?
    ### Response:
    A polyp is an extra piece of tissue that grows inside your body. Colonic polyps grow in the large intestine, or colon. Most polyps are not dangerous. However, some polyps may turn into cancer or already be cancer. To be safe, doctors remove polyps and test them.
    