pericardial vein

例句：

1. 1.He was diagnosed with a heart condition that required surgery.
   他被诊断出患有心脏病，需要进行手术。
2. 2.The surgeon performed a pericardial evacuation to relieve the pressure on the heart.
   外科医生进行了心包减压术，以减轻对心脏的压力。
3. 3.During his recovery, he had to undergo several pericardial procedures.
   在他康复期间，他不得不接受几次心包手术。