Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . The lungs are fully expanded . There is no focal consolidation against a background of diffuse , prominent interstitial markings . The heart is moderately enlarged but stable . Mediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly without pulmonary edema . No acute cardiopulmonary process .