Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Coarse interstitial markings with a lower lobe predominance are more conspicuous than on the prior radiograph of ___ . Calcified left pleural plaques are again noted . No focal opacity , pleural effusion or pneumothorax . The tortuosity of the aorta has increased since ___ . The heart size is normal .
    OUTPUT:
    
Bilateral lower lobe predominant reticulation consistent with interstitial lung disease . Tortuosity of the aorta has increased since ___ .