caseous sinusitis

例句：

1. 1. He developed caseous sinusitis after a long trip.
   长途旅行后，他患上了囊状脓肿。
2. 2.The patient had to undergo surgery to remove the caseous sinusitis.
   患者不得不接受手术来切除囊状脓肿。
3. 3.Caseous sinusitis is a serious condition that requires immediate medical attention.
   囊状脓肿是一种严重的疾病，需要立即医疗关注。