Cancer Treatment Centers of America

Kidney cancer symptoms

Kidney cancer can be difficult to detect in the early stages of the disease. Symptoms may be mild or nonexistent if only one kidney is affected, because the other kidney continues to function. As a result, early detection of the disease is rare.

cancer symptoms

Common kidney cancer symptoms

The most common sign of kidney cancer is blood in the urine, known as hematuria. Other possible kidney cancer symptoms may include:

  • Persistent pain in the side of the abdomen or the back, which is not the result of an injury.
  • A mass or lump in the abdomen.
  • Feeling fatigued.
  • Unexplained, sometimes rapid, weight loss.
  • A fever that is not due to an illness.

Understanding cancer symptoms

These symptoms may be attributed to a number of conditions other than cancer. If you notice any cancer signs or symptoms, it's important to visit your doctor for an accurate diagnosis.

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