“…The spectrum of lung involvement in IBDs is broad, spanning from subclinical abnormal involvement to interstitial lung disease. Previously reported cases of airway stenosis related to Chron's disease involve the trachea [21,22] and the bronchi [23]. In Crohn's disease, the same types of respiratory lesions are described as in sarcoidosis: lymphocytic alveolitis and interstitial disease with tracheobronchial or parenchymal granulomatous lesions; large airway involvement with stenosis, bronchitis, bronchiectasis and pulmonary suppuration.…”