Kidney Mosaic (IMAGE) Michigan Medicine - University of Michigan Caption Renal cell carcinomas are diverse, with more than 20 known subtypes. Credit Illustration by Jessica Johnson (essicajohnsonart.com.) Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.