Results:In 3795 cases,11 cases were masculine mastoplasia,3784 cases were female,41 among 3784 cases were breast cancer(1.1%),3743 cases were benign diseases(98.9%).

• 结果:3795例中；男11例；均为男性乳腺发育；女3784例；其中乳腺癌41例；占1.；1%25；良性病变3743例；占98