Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , the endotracheal tube no projects 3 .1 cm above the carina . The NG tube courses below the left hemidiaphragm and on a view . No change in the right internal jugular line in the right atrium . Multifocal opacities are progressive , with stable moderate to severe cardiomegaly .
    OUTPUT:
    
Worsening multifocal opacities could be due to edema , infection , or ARDS , or a combination thereof . Notably , the heart size is not larger .