Shehzad K. Niazi, MD, FRCPC, Mayo Clinic. (IMAGE) National Comprehensive Cancer Network Caption Shehzad K. Niazi, MD, FRCPC, Mayo Clinic. Credit NCCN Usage Restrictions Available to use with news articles 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.