Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the chest radiograph from 1 day prior , the right chest wall port is unchanged , lung volumes have reduced , and the bilateral parenchymal opacities have worsened , now severe . No pleural effusion or pneumothorax . Cardiac and mediastinal contours are stable .
    OUTPUT:
    
Interval decrease in lung volumes resulting in apparent increase in bilateral parenchymal opacities , now severe .