Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a retrocardiac consolidation on the lateral view with air bronchograms , possibly localizing to the right lung , which could represent pneumonia . There is no definite pleural effusion . No pneumothorax . Heart size is difficult to assess given the ongoing parenchymal abnormality . Splaying of the carina with narrowing of the mainstem bronchi is compatible with known lymphadenopathy , which is better evaluated on the prior CTA chest . Clips are seen in the left axilla .
    OUTPUT:
    
1 . Retrocardiac consolidation would be compatible with pneumonia . Progression of disease would be difficult to exclude . 2 . Unchanged mediastinal lymphadenopathy from ___ , accounting for differences in technique .