Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Bladder cancer ?
    ### Response:
    Bladder cancer is a form of cancer that occurs due to abnormal and uncontrolled cell growth in the bladder. Signs and symptoms of the condition may include abdominal pain, blood in the urine, fatigue, painful urination, frequent urination, incontinence, and/or weightloss.
    