Breast lipoma grade 3 suggests the need for surgery depending on the size and nature of the lipoma. If the patient experiences obvious discomfort or if it affects aesthetics, the patient may undergo local excision of the tumor. Breast lipoma grade 3 is a benign tumor, if the patient has no obvious symptoms and does not affect daily life, usually no special treatment is needed. However, if the size of breast lipoma is too large, has obvious discomfort symptoms or has the tendency of malignant transformation, it needs to be surgically removed. If malignant tendency is suspected, the tumor needs to be biopsied after surgery. Therefore, for grade 3 breast lipoma, it is recommended to have regular follow-ups to observe the growth of the lipoma and then undergo surgical treatment if necessary. Patients need to maintain a good state of mind and healthy living habits, which are favorable to the condition.