Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is within 4 cm of the carina . A nasogastric tube terminates outside the field of view . Bilateral parenchymal opacities with air bronchograms have improved from ___ at 15 :03 . There is an ill - defined opacity in the right upper lung . Cardiomediastinal silhouette is normal in size . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate pulmonary edema , likely cardiogenic . This has improved from ___ at 15 :03 . Right upper lung opacity is most likely part of the same process , attention at follow - up .