pericardial tumor

例句：

1. 1. He was diagnosed with a pericardial tumor and underwent surgery to remove it.
   他被诊断出患有心包肿瘤并接受了手术来切除它。
2. 2.The patient's condition worsened after the surgery, and he was admitted to the hospital for further treatment.
   手术后，患者的病情恶化，被转入医院接受进一步治疗。
3. 3. The pericardial tumor caused significant discomfort and limited his activities.
   心包肿瘤导致他极度不适，并限制了他的活动。