Thyroid Nodules (IMAGE) BMC (BioMed Central) Caption Thyroid nodules are thought to be present in about half of all people, but very few of these are cancerous. Credit Dr. Sara Tomei Usage Restrictions None License Licensed 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.