Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again noted is chronic marked elevation of the right hemidiaphragm . There is a small right pleural effusion and bronchial thickening . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
1 . No evidence of pneumonia . Bronchial thickening may be secondary to bronchitis . 2 . Small right pleural effusion .