Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiomediastinal silhouette is stable with the cardiac silhouette persistently enlarged and the aorta calcified and tortuous . There is slight prominence of the interstitium , consistent with mild interstitial edema . No pleural effusion or pneumothorax is seen . There is no focal consolidation .
    OUTPUT:
    
Cardiomegaly and mild interstitial edema .