Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild prominence of interstitial markings , which may be due to a chronic cystic interstitial lung disease . A patchy opacity in the right lower lung abuts the pleura on the lateral radiograph and may represent a pulmonary infarction or pneumonia . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The imaged upper abdomen is unremarkable .
    OUTPUT:
    
1 . Right lower lung opacity concerning for pneumonia or pulmonary infarction . 2 . Interstitial abnormality which should be further evaluated with CT .