Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Renal Cell Cancer ?
    ### Response:
    Key Points
                    - Renal cell cancer is a disease in which malignant (cancer) cells form in tubules of the kidney.    - Smoking and misuse of certain pain medicines can affect the risk of renal cell cancer.     - Signs of renal cell cancer include blood in the urine and a lump in the abdomen.
    