Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Blunting of the left costophrenic angle with silhouetting of the left hip in diaphragm is most consistent less small left pleural effusion and atelectasis . There is also small right pleural effusion . Central pulmonary vascular congestion is moderate . The mass is minimal . Heart size is enlarged , unchanged . Aortic knob calcifications are moderate unchanged . Patient status post median sternotomy . Anterior compression deformity of a lower thoracic / upper lumbar vertebral body unchanged . No pneumomediastinum or pneumothorax . No subdiaphragmatic free air .
    OUTPUT:
    
1 . No free air . 2 . Bilateral small pleural effusions atelectasis and mild edema .