Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ radiograph , bilateral chronic interstitial opacities persist and are most prominent at the lung bases . Lungs remain hyperinflated . Heart is upper limits of normal in size , in the aorta is tortuous . Permanent pacemaker is unchanged in position . There are no pleural effusions . Bones are diffusely demineralized , and mild decreased height of thoracic vertebral bodies is unchanged as well as healed right rib fractures .
    OUTPUT:
    
1 . Chronic , basilar predominant interstitial lung disease . 2 . No evidence of acute pneumonia .