Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable moderate cardiomegaly . The hilar and mediastinal contours are unremarkable . Again seen is diffusely increased interstitial markings of the lungs , particularly at the bilateral bases , which are consistent with patient 's chronic interstitial lung disease . Bullous disease is again noted at the left lung apex , not significantly changed from the prior studies and related to patient 's emphysema . There appears to be a new consolidation at the left lower lobe compared to the prior exam . No pneumothorax is identified . There is no large pleural effusion . Note is made of bibasilar atelectasis . Loss of the right heart border is due to the patient 's pectus .
    OUTPUT:
    
New focal consolidation at the left lower lobe compared to the prior study . This could be concerning for pneumonia or aspiration .