Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is extensive opacification of the majority of left lung due to underlying malignancy , better described in the CT report dated ___ . The left - sided pleural effusion is larger compared to the ___ radiograph . The right lung is generally clear , with no large consolidations , effusions or pneumothorax . Prior tiny left apical pneumothorax and left - sided subcutaneous emphysema have both resolved . The cardiomediastinal silhouette is unchanged . No acute osseous abnormalities .
    OUTPUT:
    
1 . Worsening left sided pleural effusion . 2 . Malignancy involving a majority of the left lung is not significantly changed compared to the prior radiograph , but is better described in the ___ CT report .