Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , there is a new moderate to large left pleural effusion and basilar atelectasis , underlying consolidation is difficult to exclude . There is a small right pleural effusion . No pneumothorax is seen . Cardiomediastinal silhouette is unchanged . A left chest wall pacemaker defibrillator is present with leads terminating in the right atrium , right ventricle , and coronary sinus .
    OUTPUT:
    
Moderate to large left pleural effusion and bibasilar atelectasis , underlying consolidation difficult to exclude . Small right pleural effusion .