Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with most recent prior radiographs there is increased opacity at the right medial lung base seen on the lateral in the right middle lobe concerning for early pneumonia . Otherwise , no significant change from ___ with no pleural effusion or pneumothorax , normal heart size , mediastinal and hilar contours .
    OUTPUT:
    
New increased opacity in the right middle lobe concerning for early pneumonia .