sirenomelia

例句：

1. 1. The patient's behavior was consistent with a severe delusional disorder.
   患者的举止与严重的妄想症相符。
2. 2.The psychiatrist diagnosed the patient with delusional disorder.
   精神病医生诊断患者患有妄想症。
3. 3. The patient's delusional beliefs led to significant distress and isolation.
   患者的妄想症信念导致了重大的困扰和孤立。