Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hypoinflated with crowding of vasculature . Mild cardiomegaly is stable . Mediastinal contour and hila are normal . No focal opacity . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Stable mild cardiomegaly . 2 . No acute cardiopulmonary process .