Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Pituitary Tumors ?
    ### Response:
    Signs of a pituitary tumor include problems with vision and certain physical changes. Signs and symptoms can be caused by the growth of the tumor and/or by hormones the tumor makes or by other conditions. Some tumors may not cause signs or symptoms. Check with your doctor if you have any of these problems.
    