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Kidney cancerKidney cancer occurs when cancer develops in part of a kidney. Most kidney cancers (around 85% of them) are renal cell carcinomas. Renal cell carcinoma develops within the kidney tissue. Rarely, both kidneys can be affected at the same time. A less common type of kidney cancer is called transitional cell carcinoma. This type of kidney cancer begins at the point where the kidney joins the ureter. It is quite different from renal cell carcinoma. For example, the treatment for transitional cell carcinoma is similar to the treatment for bladder cancer. Renal sarcoma is one of several other rare forms of kidney cancer. Sometimes other cancers can spread to the kidney but these are not called kidney cancers and do not act in the same way as kidney cancers. If cancer is treated in its early stages, the chance of the cancer being cured can be very good. If a cancer is not treated at an early stage, it may spread to other parts of the body. If cancer is found after it has spread, treatment is more complicated, and the cancer is usually not curable. Symptoms, diagnosis and treatment for all types of adult kidney cancer are similar. |
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