Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall dual lead pacing device is again seen . On the current exam there is more dense consolidation at the left lung base now silhouetting the hemidiaphragm . There is a small right - sided pleural effusion as well . There is no pneumothorax . The cardiomediastinal silhouette is difficult to assess . No acute osseous abnormalities identified .
    OUTPUT:
    
Increased opacity at the left lung base which may be due to a combination of effusion , atelectasis or consolidation . Small right pleural effusion .