MALND group
First of all, the operation of breast surgery is consistent with the SMALND group.A tumescent fluid was prepared, with 125 ml 0.9% sodium chloride solution, 125 ml distilled water, 20 ml lidocaine, and 0.5 ml epinephrine hydrochloride. This solution was injected into the subcutaneous tissue of the axilla; a massage was applied to the area and it was let rest for approximately 20 min. Subsequently, the patient’s body position was changed, with the head raised, and the body kept a lateral tilt position. A 10-mm trocar was placed from the anterior axillary line at the lower edge of the breast into the incision and pierced along subcutaneous tissue to the axilla. After that, the fat of the area was mashed and sucted with a plastic suctor. Then, an insufflator was connected to inflate gas (COThe remaining operations are the same as the SMALND group.