Sleeve pneumonectomy and carinal resection for management of primary adenoid cystic tumor of the lung with carinal extension: Report of two cases.

Adenoid cystic carcinoma is a rare tumor of low frequency, low grade malignancy and slow growth originating from the major and minor salivary glands. Its primary pulmonary presentation is very rare, it can manifest with central airway obstruction and extensive lung involvement. Although it is slow growing, it has a tendency to local recurrence and late hematogenous metastases.