pericardial diaphragm

例句：

1. 1.The pericardial diaphragm is a thin layer of tissue that separates the heart from the chest wall.
   心包膈膜是一层薄的组织结构，将心脏与胸壁分隔开。
2. 2. During surgery, the pericardial diaphragm is carefully incised to avoid damaging the heart.
   在手术中，小心切开心包膈膜以避免损伤心脏。
3. 3. The patient's condition worsened after the pericardial diaphragmwas inflamed, requiring immediate medical attention.
   患者的病情在心包膈膜发炎后恶化，需要立即医疗关注。