Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate minimal blunting of the bilateral costophrenic angles . There is no focal consolidation or pneumothorax . The heart size is moderately enlarged , and there are post-surgical changes of median sternotomy and CABG . There is an indistinct appearance of the pulmonary vasculature , consistent with mild - to - moderate pulmonary edema .
    OUTPUT:
    
1 . Mild - to - moderate pulmonary edema , without focal consolidation to suggest pneumonia . There may be small bilateral pleural effusions , with a small degree of bilateral atelectasis . 2 . The heart is moderately enlarged .