Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright PA and lateral radiographs of the chest . Moderate cardiomegaly is unchanged . The lungs are normally expanded and clear , without focal airspace opacity . Widening of the right paratracheal stripe is compatible with known paratracheal lymphadenopathy on prior CTA . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality . Stable cardiomegaly and right paratracheal lymphadenopathy .