cystostaxis

例句：

1. 1. This condition is characterized by a bulging belly and difficulty breathing.
   这种病状的特征是腹部隆起和呼吸困难。
2. 2.The patient was diagnosed with cystostaxis after undergoing surgery.
   患者在接受手术之后被诊断出患有囊状积气症。
3. 3. The child had to be hospitalized for several days due to severe cystostaxis.
   由于严重的囊状积气症，这个孩子不得不住院治疗几天。