Thyroid nodules TIRADS category 3 are probably benign nodules with less than 2% risk of malignancy. When patients with thyroid nodules undergo thyroid ultrasound, thyroid nodules can be categorized into 6 grades by the TIRADS classification criteria, and thyroid nodules TIRADS category 3 belongs to thyroid nodule grade 3, which is likely to be benign nodules, and the chance of malignancy of thyroid nodules is generally less than 2%. If the diameter of the nodule is small, and the patient does not have obvious pressure symptoms, usually no special treatment is needed. If the nodule is large in diameter, or if the patient has symptoms of pressure, further fine needle aspiration biopsy is usually required. If the thyroid nodule is benign, it is usually not serious, while if the thyroid nodule is malignant, it is more serious. It is recommended that patients presenting with grade 3 thyroid nodules need to seek prompt medical attention, and the doctor will determine whether the condition should be examined based on the results of the test. It is recommended that patients with malignant thyroid nodules need timely surgical treatment, and after surgery, they also need to be treated with radiotherapy or chemotherapy and other forms of adjuvant therapy.