Breast category 3 nodules require regular breast-related checkups and immediate surgery if there is a possibility of malignancy. Breast nodule category 3 refers to breast nodules that are usually benign and have a very low likelihood of being malignant, and their probability of becoming cancerous is usually less than 2%. They are often detected by breast ultrasound, mammogram or MRI. Although breast nodule category 3 is usually benign, there is a possibility of malignant changes, and it is necessary to go to the hospital for follow-up examinations at regular intervals, and if cancerous changes are found, immediate surgical treatment should be carried out. It is recommended that patients with breast nodule category 3 consult a regular hospital and under the guidance of a doctor for standardized treatment. To avoid delays.