Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is complete opacification of the right lower lung with air bronchograms suggestive of pneumonia . The large cavity in the upper lung field is partially opacified by adjacent effusion , which appears intervally increased . Increased interstitial thickening in the left lung is unchanged . There is no pleural effusion or pneumothorax in the left .
    OUTPUT:
    
Increased opacification in the right lung suggesting pneumonia in the right lower lobe and increased effusion . Cavity in the RUL slightly obscured to to adjacent increased pleural effusion .