Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded and clear . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation . Assessment of the trachea above the thoracic inlet is limited on this study .
    OUTPUT:
    
1 . No pneumonia . 2 . Assessment of the trachea above the thoracic inlet is limited on this study . Recommend dedicated radiographs of the soft tissues of the neck for further evaluation , if clinical concern for epiglottitis or upper airway narrowing remains .