Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Lip and Oral Cavity Cancer ?
    ### Response:
    Signs of lip and oral cavity cancer include a sore or lump on the lips or in the mouth. These and other signs and symptoms may be caused by lip and oral cavity cancer or by other conditions. Check with your doctor if you have any of the following:          - A sore on the lip or in the mouth that does not heal.
    