在解剖一具中年男性尸体时，见其胸前壁内面两侧有对称性的两条血管，经分离追踪此动脉起于双侧第一肋软骨后方，发自胸廓内动脉的分支，心包隔动脉起点处。胸廓内动脉主干管径３ｍｍ，走行无变异，而此异常动脉对称性的沿胸前壁内面，先弧形向外下后直线下行，穿经胸内筋膜之 In the dissection of a middle-aged man’s body, see the chest on both sides of the inner wall symmetry of the two sides of the blood vessels, separated and followed by the artery from both sides of the costal cartilage behind, from the thoracic artery branches, pericardium At the beginning of every artery. Thoracic artery trunk diameter 3mm, walking no variation, and this abnormal artery symmetry along the anterior chest wall inside the surface, the first arc out straight after the line down, through the thoracic fascia