Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal . The lungs are hyperinflated and there is a diffuse interstitial abnormality which could be related to background interstitial or obstructive lung disease . There may also be an element of fluid overload . There is a focal extensive left upper lobe opacity suggestive of pneumonia . Additionally , there is some pleural thickening at the apices as well as a possible small right - sided pleural effusion or pleural thickening . There is no pneumothorax .
    OUTPUT:
    
1 . Focal extensive left upper lobe opacity suggestive of pneumonia . 2 . Diffuse interstitial abnormality which could be related to background interstitial or obstructive lung disease .