Below is an instruction from Human. Write a response.
    ### Instruction:
    What is the outlook for Paranasal Sinus and Nasal Cavity Cancer ?
    ### Response:
    Certain factors affect prognosis (chance of recovery) and treatment options. The prognosis (chance of recovery) and treatment options depend on the following:         - Where the tumor is in the paranasal sinus or nasal cavity and whether it has spread.    - The size of the tumor.
    