Most lumps or nodules in the thyroid are not harmful and don't need treatment. But sometimes, they can grow bigger and cause problems like trouble swallowing. There's a treatment called radiofrequency ablation (RFA), which uses heat to make the nodules smaller. Dr. Marius Stan, a Mayo Clinic endocrinologist, says this nonsurgical treatment for shrinking thyroid nodules offers patients a safe and highly successful procedure. Learn more: https://mayocl.in/40ckn0t | Mayo Clinic