Thyroid nodules 3 serious?

Thyroid nodule type 3 serious need to see further classification, if it is type 3a thyroid nodule, benign possibility is relatively large, so generally not serious. But if it is type 3b thyroid nodule, then malignant possibility is relatively large, need further needle biopsy. Benign thyroid nodule harm is not big, but once diagnosed as malignant, it is necessary to take timely treatment measures, is a more serious disease.