Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded and clear . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal . There is no pleural effusion or pneumothorax . Minimal increased widening of the right paratracheal stripe could reflect lymphadenopathy . There is posterior and leftward displacement of the trachea .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality and no evidence of pneumonia . 2 . Displacement of the trachea may be secondary to goiter . Please correlate with physical examination .