Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Gallbladder Cancer ?
    ### Response:
    Tests that examine the gallbladder and nearby organs are used to detect (find), diagnose, and stage gallbladder cancer. Procedures that make pictures of the gallbladder and the area around it help diagnose gallbladder cancer and show how far the cancer has spread.
    