Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged . The cardiac , mediastinal and hilar contours appear stable , including patchy calcification along the aortic arch . There is similar mild relative elevation of the right hemidiaphragm . There is no pleural effusion or pneumothorax . Mild congestion is suspected along each hilum , but otherwise the lungs appear clear .
    OUTPUT:
    
Findings suggest mild vascular congestion . Mild cardiomegaly .