Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single frontal view of the chest was obtained . In the right middle lobe , there is mild obscuration of the right heart border . There is no definite consolidation . There is no pulmonary edema , pleural effusion , or pneumothorax . The lung volumes are low . The cardiomediastinal silhouette is normal . The patient is status post a median sternotomy . The wires are intact .
    OUTPUT:
    
Obscuration of the right heart border could be due to crowding of bronchovascular structures due to low lung volumes or underlying pneumonia . Recommend further evaluation with a PA and lateral chest radiographs with deeper inspiration . Results were discussed with the ___ attending Dr . ___ at that time the findings were discovered at 11 :30 p .m . on ___ in person by Dr . ___ .