Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient was imaged in a lordotic position , which distorts the mediastinal contours . Within that limitation , the lungs are clear without consolidation or edema . The mediastinum is otherwise unremarkable . The cardiac silhouette is within normal limits for size . No effusion or pneumothorax is noted . No displaced fractures are evident .
    OUTPUT:
    
Limitations as above . Otherwise , no radiographic evidence of acute traumatic injury to the chest .