Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views the chest provided . The heart appears mildly enlarged . Lungs are clear without focal consolidation , large effusion or pneumothorax . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly . Otherwise unremarkable .