Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volume is small . There is bilateral lower lobe atelectasis , left worse than right . The lungs are otherwise clear . Small left - sided pleural effusion is new . No pneumothorax . The cardiomediastinal silhouette is unchanged . Right clavicle fracture is unchanged .
    OUTPUT:
    
1 . No pneumothorax . 2 . Small left pleural effusion and bilateral lower lobe atelectasis .