Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are bilateral diffuse increased interstitial opacities , with a reticular pattern , more pronounced in the mid and low lung fields , but no focal opacities . Cardiac size is top normal . Cardiomediastinal and hilar contours are otherwise unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Findings compatible with interstitial pulmonary edema . No evidence of pneumonia .