chronic maxillary sinusitis

例句：

1. 1. He has been sufferingfrom chronic maxillary sinusitis foryears.
   他多年来一直患有慢性上颌窦炎。
2. 2. The patient was diagnosed with chronic maxillary sinusitis and required treatment.
   患者被诊断出患有慢性上颌窦炎，需要治疗。
3. 3. Chronic maxillarysinusitis can lead to severe complicationsif left untreated.
   如果不治疗，慢性上颌窦炎可能会导致严重的并发症。