Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is unchanged since the prior examinations . Again seen is left basilar opacity , more extensive on the current examination than the priors , with obliteration of the left hemidiaphragm , consistent with left lower lobe pneumonia . Increase in right infrahilar opacity is also noted . There is biapical scarring . No pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Recurrent left lower lobe pneumonia .