Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chronic increased reticular opacities predominantly in the lung bases have improved when compared to ___ and represent mild interstitial edema . No acute focal consolidation . No significant pleural effusions or pneumothorax . The heart remains mildly enlarged with unfolding of the thoracic aorta .
    OUTPUT:
    
Mild interstitial pulmonary edema has improved and stable mild cardiomegaly .