1. Over the age of 18 years
2. Diagnosis of renal cell carcinoma
3. Treatment with sunitinib and/or axitinib
4. Timeframe: from database inception date (2002) until the end of June 2017.
Patients meeting any of the following criteria will not be included in the study:
1. Under the age of 18 years
2. Diagnosis other than renal cell carcinoma
3. No treatment with sunitinib and/or axitinib