Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Compared to prior study , there is increased right lower lobe opacity . The small right pleural effusion is unchanged . There is mild increase in left lower lobe atelectasis . The heart size is normal . There is no pleural effusion on the left .
    OUTPUT:
    
1 . Increased size of right lower lobe pneumonia . 2 . Small right pleural effusion is unchanged . 3 . New mild left lower lobe atelectasis .