1. Hemorrhage: There may be blood stasis under the skin after operation, which is caused by the rupture of capillaries during aspiration and will generally recover within two weeks.

2. Edema: Due to tissue damage and some swelling liquid under the skin, edema appears in the attracting part, which generally subsides slowly.

3. Uneven: It is common in the early stage and will gradually improve after pressure forming.

4. Subcutaneous nodules: after operation, some induration or the whole attraction site can be touched. This is an inflammatory nodule or hematoma organized by subcutaneous tissue injury and fat liquefaction, which can be slowly absorbed and softened within 3 months.