Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since chest radiographs dated ___ , there has been interval resolution of pulmonary edema . Severe cardiomegaly is unchanged . Lungs are fully expanded and clear . The pleural surfaces are normal .
    OUTPUT:
    
Unchanged severe cardiomegaly . No radiographic evidence of pneumonia or other significant cardiopulmonary abnormalities .