chronic ulcerative jejunitis

例句：

1. 1. The patient was diagnosed with chronic ulcerative jejunitis and required treatment.
   这名患者被诊断出患有慢性溃疡性结肠炎，需要治疗。
2. 2. Chronic ulcerative jejunitis can lead to severe complications if left untreated.
   如果不治疗，慢性溃疡性结肠炎可能会导致严重的并发症。
3. 3. The patient's condition worsened after several months of treatment, prompting a referral to a specialist.
   经过几个月的治疗，患者的病情恶化了，因此被推荐给专家。