cardiocele

例句：

1. 1. The patient's heart was enlarged due to a cardiocele.
   患者的心脏因为一个心脏囊肿而变大。
2. 2.The doctor performed an echocardiogram to diagnose the patient's cardiocele.
   医生进行了超声心动图检查来诊断患者的心脏囊肿。
3. 3. Cardioceles are rare but can cause serious complications if not treated promptly.
   心脏囊肿罕见，但若不及时治疗可能会引起严重的并发症。