It is not true that breast nodules in category 3 are fine for the rest of their lives, as a small percentage of patients will develop malignant lesions and some patients with benign lesions will also experience a variety of uncomfortable symptoms. According to the objective evaluation system of breast BI-RADS ultrasound to categorize breast nodules, in which breast nodule category 3 means that the nodule may be benign lesions, but does not mean that the patient will be fine for the rest of his life. Because the chance of malignant lesions occurring in category 3 breast nodules is less than 2%, that is to say, the possibility of malignant lesions cannot be ruled out in a very small number of patients with category 3 breast nodules, and therefore the patient needs to be followed up to make a judgment. In addition, even if the breast nodules are benign, patients may experience some discomfort, such as nipple discharge, breast swelling and pain, breast lumps, etc., and therefore need to take medical treatments to effectively alleviate or eliminate the discomfort caused by the disease. Individuals suffering from breast nodules should first undergo a scientific examination and assessment to determine the nature of the nodules, and then implement treatment according to the actual condition. People in good health should seek medical attention when they notice unusual symptoms in their breasts.