Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable supine AP image of the chest . The ET tube is in adequate position 3 .9 cm above the carina . The patient is status post CABG . Diffuse alveolar opacities are seen in the bilateral lungs , concerning for possible severe pulmonary edema or less likely alveolar hemorrhage or infection . The cardiomediastinal silhouette is obscured by the bilateral pulmonary opacities , but appears to be enlarged . A right pleural effusion is also seen . The left costophrenic angle is not included on this exam . There is no pneumothorax . Non-specific air - filled loops of bowel are seen in the left upper quadrant .
    OUTPUT:
    
1 . ET tube in standard position 3 .9 cm above the carina . 2 . Diffuse alveolar opacities are likely due to severe pulmonary edema .