Below is an instruction from Human. Write a response.
    ### Instruction:
    Do you have information about Surgery
    ### Response:
    Summary : There are many reasons to have surgery. Some operations can relieve or prevent pain. Others can reduce a symptom of a problem or improve some body function. Some surgeries are done to find a problem. For example, a surgeon may do a biopsy, which involves removing a piece of tissue to examine under a microscope.
    