Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube ends 3 .5 cm above the carina . An upper enteric tube ends in the stomach . The cardiac and mediastinal contours are normal . Bilateral patchy airspace opacities are most predominant in the lower lobes . There is no large pleural effusion or pneumothorax identified . No acute osseous abnormality is seen .
    OUTPUT:
    
The endotracheal tube ends 3 .5 cm above the carina . Bilateral heterogenous airspace opacification , predominantly in the lower lobes is concerning for acute respiratory distress syndrome or hemorrhage with concurrent septic emboli or pneumonia .