constriction disease

例句：

1. 1.This condition is characterized by a tight chest and shortness of breath.
   这种状况的特点是胸痛和呼吸困难。
2. 2. The patient was diagnosed with a constipation-related condition.
   患者被诊断出与便秘相关的疾病。
3. 3.Researchers are studying the causes of this constriction disease.
   研究人员正在研究这种约束性疾病的原因。