Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The mediastinum is wide , and an aortic stent graft is in place . Cardiac silhouette appears enlarged . The lung volumes are low , which results in bronchovascular crowding . There is a small left pleural effusion . No focal consolidation or pneumothorax .
    OUTPUT:
    
1 . The mediastinum is wide , and an aortic stent graft is in place . No priors are available for comparison at this time , however comparison to prior studies would be helpful for assessment of any potential changes in the appearance of the mediastinum . If there is high concern for mediastinal hemorrhage , CT scan is recommended . 2 . Small left pleural effusion . 3 . No focal consolidation . 4 . Cardiomegaly .