In the past 10 years,acellular dermal matrix(ADM)has been widely used in various fields of surgery,including cleft palate repair,abdominal wall repair,tendon repair,hernia repair,facial and eyelid soft tissue augmentation surgery,ulcer repair,and vaginal sling repair,among others.1-3ADM not only provides initial structural strength and bulk,but also allows relatively rapid vascular growth and serves as a scaffold for"new"tissue formation.~4 These properties have led to its application to resolving surgical problems where tissue deficiency remains an issue.Many surgeons have begun to use ADM-assisted breast reconstruction techniques.Compared with ADM,the traditional method of implant-based breast reconstruction