Conclusion:It is significant to be aware of the sign and symptom and must be examined by endoscope or CT, MRI for primary tracheal neoplasms.

• 结论:早期诊断原发性气管肿瘤,应仔细观察体征、症状,一旦可疑应尽早行内窥镜检查及必要的影像学检查。