Methods Design incision according to infra-pedicel method.We resected 90% mammary gland tissue during operation, retained thin layer mammary gland tissue close to infra-pedicel tissue flap.

• 方法:按下蒂法作术前设计,术中切除90%25的乳腺组织,仅保留近下蒂组织瓣侧的薄层乳腺组织,保全了乳腺被膜层的血管网,使组织瓣血运更有保证。