transverse sinus of pericardium

例句：

1. 1.The patient's condition was stable, and the transverse sinus of pericardium was not enlarged.
   患者的病情稳定，心包的横窦没有扩大。
2. 2.During surgery, the surgeon carefully removed the transverse sinus of pericardium to prevent complications.
   手术中，外科医生小心地切除了心包的横窦，以避免并发症。
3. 3. The patient's heart function improved significantly after the operation, and the transverse sinus of pericardium was no longer enlarged.
   手术后，患者的心脏功能显著改善，心包的横窦不再扩大。