Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with bronchovascular crowding . There is mild pulmonary vascular congestion and slight indistinctness of the pulmonary vasculature suggesting mild edema . The heart size is difficult to fully assess in the setting of low lung volumes and is AP view and is probably normal in size . No pleural effusion or pneumothorax . The mediastinum is not widened . No evidence of fractures on this nondedicated exam .
    OUTPUT:
    
1 . Low lung volumes and minimal bronchovascular crowding and edema . 2 . No focal pneumonia or pneumothorax .