Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval intubation , and the endotracheal tube terminates approximately 4 .8 cm above the level of the carina . Additionally , there has been interval progression of diffuse bilateral airspace opacities which may represent multifocal pneumonia . There is no pleural effusion or pneumothorax identified . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities are detected . Surgical clips are seen projecting over the right axilla and epigastrium .
    OUTPUT:
    
1 . ET tube terminating 4 .8 cm above the carinal . 2 . Diffuse , bilateral airspace opacities are suggestive of a widespread infectious etiology or less likely pulmonary edema .