Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Continued marked cardiac enlargement is seen with unchanged mild pulmonary edema . Opacification of the left hemidiaphragm is seen . No pneumothorax or focal consolidation is seen .
    OUTPUT:
    
Continued cardiomegaly with mild pulmonary edema . Opacification of the left hemidiaphragm may represent atelectasis , pneumonia or effusion .