Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP semi-upright view of the chest was reviewed and compared to the prior studies . A moderate left pleural effusion and bilateral , left greater than right , lower lobe atelectasis are relatively unchanged since ___ . There are no new focal lung opacities to suggest pneumonia . There is no pneumothorax . Cardiac enlargement and aortic calcifications are unchanged . The tracheostomy tube ends 8 cm above the carina .
    OUTPUT:
    
1 . Moderate left pleural effusion and bilateral lower lobe atelectasis have been stable since ___ . 2 . Unchanged mild vascular congestion present since ___ . 3 . No new lung opacities to suggest pneumonia .