Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes bilaterally . The lungs are clear . No evidence of focal consolidations , pulmonary edema , pleural effusions , or pneumothorax . The mediastinum is slightly widened , likely due to tortuosity of ascending aorta . The hila and heart are within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
There is no pulmonary edema .