Isthmus We would like to show you a description here but the site won’t allow us
Isthmus Thyroid Nodules: Risk for Cancer - Verywell Health The isthmus is a bridge of tissues that connects the two lobes of the thyroid gland, located on either side of the windpipe at the front of the neck Just 2 to 9% of thyroid cancers are found in the isthmus, but cancers in this area are more likely to spread outside of the thyroid than cancers found in other parts of the thyroid