Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Oropharyngeal Cancer ?
    ### Response:
    Tests that examine the mouth and throat are used to help detect (find), diagnose, and stage oropharyngeal cancer. The following tests and procedures may be used:         -   Physical exam and history : An exam of the body to check general signs of health, including checking for signs of disease, such as swollen lymph nodes in the neck or anything else that seems unusual.
    