Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been no significant change . The heart is large . There is mediastinal lipomatosis as seen on prior chest CTA examination . Lung volumes are decreased . However , a focal consolidation can not be definitely excluded .
    OUTPUT:
    
Limited evaluation due to patient 's body habitus . As such , a definite focal consolidation can not be definitely excluded and conventional chest radiographs are recommended for complete evaluation .