Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is unchanged . There is mild pulmonary vascular congestion , slightly improved compared to the previous radiograph . Mediastinal and hilar contours are otherwise unremarkable . No focal consolidation , pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
Severe cardiomegaly with mild pulmonary vascular congestion