Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The mediastinal contours are normal . Apparent mild enlargement of the cardiac silhouette may be due to the low lung volumes . No fracture is identified .
    OUTPUT:
    
1 . Clear lungs . 2 . No evidence of fracture . 3 . Apparent mild enlargement of the cardiac silhouette may be related to low lung volumes . If there is clinical concern for cardiomegaly , a repeat radiograph could be obtained at full inspiration .