Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Warthin tumor ?
    ### Response:
    What are the signs and symptoms of Warthin tumor? Warthin tumor is a benign (noncancerous) tumor of the salivary glands. They most commonly arise in the parotid glands, the largest salivary glands which are located in each cheek above the jaw in front of the ears.
    