Kidney cancer rarely causes visible signs or symptoms in its early stages.
In the later stages, the most common sign of both renal cell and transitional cell cancers is blood in the urine (hematuria).
Other possible signs and symptoms may include:
Flank pain - Pain on one side of the body between the upper abdomen and the back.
Abdominal Mass - a mass in the area of the kidneys discovered during an examination
Anemia - a condition in which the number of red blood cells is below normal
Fever - not due to cold or flu
Unexplained weight loss, often rapid
Fatigue and general feeling of poor health
Learn more about the signs and symptoms of kidney cancer.