Kidney cancer rarely causes signs or symptoms in its early stages. In the later stages, kidney cancer signs and symptoms may include:
- Blood in your urine, which may appear pink, red or cola colored
- Back pain just below the ribs that doesn't go away
- Weight loss
- Fatigue
- Intermittent fever
When to see a doctor
Make an appointment with your doctor if you have any persistent signs or symptoms that worry you.
Make an appointment with your doctor if you have any persistent signs or symptoms that worry you.
Causes
It's not clear what causes renal cell carcinoma. Doctors know that kidney cancer begins when some kidney cells acquire mutations in their DNA. The mutations tell the cells to grow and divide rapidly. The accumulating abnormal cells form a tumor that can extend beyond the kidney. Some cells can break off and spread (metastasize) to distant parts of the body.
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