Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There is interval resolution of previously seen interstitial edema . Mild vascular cephalization is likely chronic . There is stable right hilar engorgement , moderate cardiomegaly , and tortuous aorta . A tiny left - sided pleural effusion is improved compared with prior study . There is no right - sided pleural effusion or pneumothorax . There might be a small hiatus hernia . Sternotomy wires are intact .
    OUTPUT:
    
Interval resolution of interstitial edema . Stable cardiomegaly .