Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable semi erect radiograph through the chest demonstrates obscuration of the left hemidiaphragm concerning for consolidation . Cardiomediastinal and hilar contours are similar in appearance to prior study dated ___ . No large pleural effusion is identified . Focal area of lateral pleural thickening at the level of the left chest wall is similar in appearance .
    OUTPUT:
    
Consolidation within the left lower lobe concerning for pneumonia .