Kidney cancer, also known as renal cancer, is the cancer of the kidneys – the two bean-shaped organs located on each side of the spine, just behind the intestines. Kidneys are responsible for the removal of excess fluid, electrolytes, and waste from the blood.
Different types of cancers can exist in the kidney.
Renal cell carcinoma is the most common type of kidney cancer in adults. It starts in the lining of tubules (very small tubes) in the kidneys and starts growing uncontrollably to form a single mass (tumour) within the kidney. More than one tumour can develop in one or both kidneys. This cancer occurs mainly in men aged 50 – 70 years old.
The symptoms of kidney cancer include:
While there are no known causes for kidney cancer, there are some risk factors that may increase the chances of developing kidney cancer.