cardiac tumor

例句：

1. 1.He was diagnosed with a cardiac tumor, which required immediate surgery.
   他被诊断出患有心脏肿瘤，需要立即进行手术。
2. 2.The patient's condition worsened after the surgery, and he was admitted to the intensive care unit for further treatment.
   手术后，患者的病情恶化，被转入重症监护室接受进一步治疗。
3. 3. Cardiac tumors are rare but can be life-threatening if left untreated.
   心脏肿瘤罕见，但如果不治疗可能会危及生命。