Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Body habitus limits the evaluation . There is severe cardiomegaly as before . Mediastinal and hilar contours are stable . The lungs appear clear without evidence of pneumonia . There is no frank pulmonary edema . No pleural effusion or pneumothorax .
    OUTPUT:
    
Stable severe cardiomegaly .