Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the right hemidiaphragm is unchanged . The heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Mild atelectasis is noted in the lung bases . There are no acute osseous abnormalities .
    OUTPUT:
    
No pulmonary edema . Chronic right hemidiaphragmatic elevation .