Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal contours are unchanged . Diffuse interstitial prominence with the presence ___ ___ B - lines is consistent with mild pulmonary edema . There is no pleural effusion or pneumothorax . There is no focal airspace consolidation worrisome for pneumonia . Right apical scarring is again seen .
    OUTPUT:
    
Mild pulmonary edema .