Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AgA mild interstitial abnormality is similar to improved . There is no overt pulmonary edema . There is no focal consolidation , pleural effusion , or pneumothorax . The mediastinal contours are normal . The heart is mildly enlarged , and allowing for differences in technique , not significantly changed .
    OUTPUT:
    
1 . Similar to improved mild interstitial abnormality ; vascular congestion without overt pulmonary edema could be considered versus airway inflammation . 2 . Stable mild cardiomegaly .