Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains enlarged . The aorta is calcified and tortuous . Right paratracheal opacity is stable since ___ . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable . There may be minimal interstitial edema .
    OUTPUT:
    
Possible minimal interstitial edema . Persistent cardiomegaly .