Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Normal heart size , mediastinal and hilar contours . No pleural effusion . Mild pulmonary vascular congestion and minimal interstitial abnormality may signal cardiac dysfunction . Nodular opacity again seen at each lung base consistent with nipple shadows .
    OUTPUT:
    
No pneumonia . Possible mild CHF .