sternal sulcus

例句：

1. 1. The patient was diagnosed with a sternal sulcus, which required surgery to repair.
   患者被诊断出有肋骨沟，需要手术修复。
2. 2. During the operation, the surgeon carefully removed the sternal sulcus and repaired the damaged tissue.
   在手术过程中，外科医生小心翼翼地切除了肋骨沟并修复了受损的组织。
3. 3. The patient's condition improved significantly after the sternal sulcus was treated.
   经过治疗，患者的病情显著改善。