Common symptoms of kidney cancer include:

• Blood in the urine (making the urine slightly rusty to deep red)
• Pain in the side that does not go away
• A lump or mass in the side or the abdomen
• Weight loss
• Fever
• Feeling very tired or having a general feeling of poor health

Most often, these symptoms do not mean cancer. An infection, a cyst, or another problem also can cause the same symptoms. A person with any of these symptoms should see a doctor so that any problem can be diagnosed and treated as early as possible.

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