Normal Cytologic Features: Normal Cytology of the Trachea and Bronchial Tree, Normal Cytology of the Lung, Oropharyngeal Contamination
Inflammation of the Tracheobronchial Tract and Lungs: Chronic Inflammation, Suppurative Inflammation, Macrophagic and Mixed Inflammation, Granulomatous Inflammation, Eosinophilic Inflammation
Infectious Causes of Disease of the Tracheobronchial Tract and Lungs
Tissue Injury: Hemorrhage, Pulmonary Alveolar Proteinosis, Pulmonary Atelectasis or Collapse, Necrosis, Hyperplasia and Dysplasia of the Lung, Metaplasia of the Lung