Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is similar . The aorta is tortuous . Patient is status post TAVR , in unchanged position . Diffuse increased interstitial opacities are re - demonstrated suggestive of chronic interstitial lung disease . More focal opacities within the lung bases likely reflect areas of atelectasis . No pleural effusion or pneumothorax is present . No definite pulmonary edema is identified . Partially imaged is lumbar spine fusion hardware .
    OUTPUT:
    
Bibasilar patchy atelectasis superimposed upon a background of chronic interstitial lung disease .