Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates mildly hypoinflated lungs with crowding of vasculature . No focal opacity . Pleural surfaces are normal . Mild enlargement of heart size is likely accentuated due to low lung volumes . Mediastinal contour and hila are unremarkable .
    OUTPUT:
    
Normal chest radiograph . Specifically no pneumonia or widened mediastinum .