Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded , clear lungs . Dilated pulmonary arteries and increased pulmonary vascularity are consistent with a history of congenital heart disease . The cardiomediastinal and hilar contours are unchanged . Median sternotomy wires are in place . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
No acute cardiopulmonary process .