Most grade 3 12-point hypoechoic nodules in the right breast are benign and therefore usually not very serious. A grade 3 12-point hypoechoic nodule in the right breast is usually diagnosed by a breast ultrasound, and grade 3 means that the likelihood of it being benign is greater than or equal to 98%. This condition is usually recommended to be rechecked in 3~6 months, and it is usually not very serious as the chance of malignant changes is relatively small. Whether a grade 3 12-point hypoechoic nodule in the right breast requires surgery should be determined by the size of the nodule. If the nodule is small, it can be observed temporarily, and you should pay attention to reasonable diet, cheerfulness, adjusting the daily routine, and you can exercise appropriately to enhance your physical fitness. At the same time, regular ultrasound review of the breast is needed, and if the nodule is large, surgical excision can be chosen. If there is a grade 3 12-point hypoechoic nodule in the right breast, you should go to the hospital in time for examination and active treatment under the guidance of a professional doctor.