Breast nodule 14mm*8mm, regular morphology, the edge is not clear may be the nodule has inflammatory changes, resulting in tissue edema oozing, so the border is not clear, or the nodule is malignant, invading the surrounding tissues, so resulting in the border is not clear. 1. Inflammatory changes in the nodule: there may be inflammation, redness, swelling, pain and other symptoms, there may be oedema and exudation, resulting in unclear boundaries, can be under the guidance of the doctor oral anti-inflammatory drug therapy, such as cefazolin, cephalosporin and other drugs. 2. Malignant nodules: can appear breast swelling, pain, swelling, fatigue and other phenomena, invasion of the surrounding tissue, the border is not clear, to go to the hospital in time for surgical resection, and with postoperative chemotherapy radiotherapy and other ways to alleviate the symptoms and prevent recurrence. This condition should be timely medical treatment, find the cause of the standardized treatment, to avoid delaying the condition.