Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . There is no focal consolidation concerning for pneumonia . Mild interstitial prominence is again noted , likely reflecting underlying mild interstitial edema . The heart is mildly enlarged , unchanged from the prior study . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly and mild interstitial edema , similar compared to the prior study from ___ . No evidence of pneumonia .