Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is slight thickening of the right lower paratracheal stripe , likely from azygos vein distention or mediastinal fat deposition . The lungs are clear without evidence of consolidation . There is no pleural effusion or pneumothorax . The heart is normal in size .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Slight thickening of right lower paratracheal density consistent with either azygos distention or mediastinal fat deposition .