Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Widespread opacities throughout the lungs has not substantially changed can be a combination of pulmonary edema and or pneumonia . Daily change and relatives asymmetry favors edema . Moderate cardiomegaly persists . Tracheostomy tube midline . Pleural effusions are presumed , but not substantial .
    OUTPUT:
    
Widespread opacities throughout the lungs has not substantially changed can be a combination of pulmonary edema and or pneumonia . Daily change and relatives asymmetry favors edema