In the early stages, kidney cancer frequently causes no symptoms. As cancer grows, symptoms may develop. The most common symptoms in people with kidney cancer include:
- Blood in the urine;
- Side or back pain;
- A mass or lump in the side or lower back;
- Ongoing tiredness;
- Appetite loss;
- Fast weight loss that happens without any effort to lose weight;
- Fever with no known cause;
- Leg or ankle swelling;
- High blood pressure.
People with kidney cancer may have any combination of these symptoms.
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