Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates 6 .8 cm above the carina . Increased interstitial markings are seen projecting over the lung apices and perihilar and retrocardiac regions . No dense consolidation . No obvious effusion or pneumothorax on this supine film . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Endotracheal tube terminates 6 .8 cm above the carina . Hazy opacities in the lungs , potentially combination of atelectasis in this supine patient although infection is possible .