Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are slightly decreased . Mild streaky opacification of the bilateral lung bases is most compatible with atelectasis . No focal consolidation concerning for pneumonia , pleural effusion or pneumothorax is detected . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits and unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .