Question: how many types of kidney cancer are there?
Answer: Renal cell carcinoma. Renal cell carcinoma is the most common type of adult kidney cancer, making up about 85% of diagnoses. ...  Urothelial carcinoma. This is also called transitional cell carcinoma. ...  Sarcoma. Sarcoma of the kidney is rare. ...  Wilms tumor. ...  Lymphoma.