Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change from the most recent exam . Compared to ___ , bilateral lower lung opacities have decreased . Remaining changes likely reflect background fibrosis better seen on CT and are unchanged since ___ . No obvious focal consolidation to suggest acute infection . Scattered bilateral small calcified granulomas are unchanged from ___ and better seen on prior CT . Appearance of the cardiomediastinal silhouette and hila are unchanged from ___ . The thoracic aorta is tortuous . Air-filled loops of bowel the left upper quadrant are overall unchanged and nonspecific , but contribute to elevation of the left hemidiaphragm . Degenerative changes in the thoracic spine are unchanged .
    OUTPUT:
    
No obvious focal consolidation to suggest acute pneumonia .