Kidney cancer is usually defined is a cancer that originates in the kidney.
The two most common types of kidney cancer, reflecting their location within the kidney, are renal cell carcinoma (RCC) and urothelial cell carcinoma (UCC) of the renal pelvis.
The distinction between these two types (RCC and UCC) is important because their prognosis, staging, and management, i.e. treatment (e.g. surgery, chemotherapy etc.), is different.
Kidney cancer originates in the kidney in two principal locations: the renal tubule and the renal pelvis. Most cancers in the renal tubule are renal cell carcinoma and clear cell adenocarcinoma. Most cancers in the renal pelvis are transitional cell carcinoma.
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