Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is unchanged , with a left ventricular predominance , and borderline enlarged . A moderate size hiatal hernia is again noted . The aorta remains mildly tortuous with atherosclerotic calcifications noted at the aortic arch . Pulmonary vasculature is not engorged . Elevation of the right hemidiaphragm is unchanged . Linear opacities in the lung bases are compatible with areas of atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . The osseous structures are diffusely demineralized with multilevel degenerative changes again noted in the thoracic spine . Fixation hardware and surgical skin ___ are noted within the left upper arm .
    OUTPUT:
    
Mild bibasilar atelectasis . Chronic elevation of the right hemidiaphragm . Moderate size hiatal hernia .