Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked progression of increased opacification of the left the lung since earlier this morning . Stable opacities in the right middle lung . Stable small bilateral low lung volumes . Stable small bilateral pleural effusions . Stable cardiomediastinal silhouette . No pneumothorax . ETT tube in standard placement . Right PICC line is unchanged in position . Dual - lead pacemaker appears intact , also unchanged in position .
    OUTPUT:
    
Progressive pneumonia since this morning .