Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar patchy opacities which are nonspecific and may represent atelectasis . No pleural effusion or pneumothorax is seen . Heart size is top normal . Pulmonary vascular cephalization suggests borderline congestive heart failure .
    OUTPUT:
    
1 . Borderline congestive heart failure . 2 . Non-specific bibasilar subtle opacities , chronicity indeterminate in the absence of prior imaging .