Figure 1).

A 41-year-old woman. Seven days after the intial injection of hyaluronic acid 30/30 mL, an additional injection of 30/30mL was given. Two weeks later, right breast rubefaction and swelling appeared but a wait-and-watch approach was adopted for approximately two weeks with the patient staying at home. However, the patient presented to the hospital following worsening of her condition. The infection symptoms of the left breast subsequently improved. A Directly before incision and drainage. B Sixteen days after incision and drainage. A difference between the left and right breasts is apparent