Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal supine view of the chest was obtained portably . The endotracheal tube ends 1 .8 cm above the carina . Diffuse bilateral pulmonary opacities may represent infection or hemorrhage in the setting of blood from the endotracheal tube . Heart size is normal . Evaluation of the mediastinum is limited by overlying trauma board .
    OUTPUT:
    
1 . Endotracheal tube ends 1 .8 cm above the carina . 2 . Diffuse bilateral parenchymal opacities may represent infection or hemorrhage .