costal traffic

例句：

1. 1. The surgeon performed a costal incision to access the heart.
   外科医生进行了胸骨切口以进入心脏。
2. 2.During surgery, the surgeon had to cross the costal cartilage to reach the lungs.
   手术期间，外科医生必须穿过胸骨软骨来到达肺。
3. 3. The patient's chest was elevated to facilitate costal traffic during the operation.
   为了便于手术期间的胸骨交通，患者的胸部被抬高。