Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for Renal oncocytoma ?
    ### Response:
    How might renal oncocytoma be treated? Most renal oncocytomas are benign (non-cancerous) and metastasis is very rare. Although many benign tumors do not require treatment unless they are causing unpleasant symptoms, it can be difficult to confidently differentiate a renal oncocytoma from renal cell carcinoma based on diagnostic imaging tests alone.
    