Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are hyperinflated with flattening of the diaphragms , similar to prior . Biapical scarring with calcific component has progressed since prior . The lungs are clear of consolidation . The cardiac silhouette appears slightly enlarged when compared to prior , with mild cardiomegaly . Posterior left seventh and ninth rib deformities suggesting prior fractures are noted .
    OUTPUT:
    
Hyperinflation raising possibility of COPD . No superimposed acute cardiopulmonary process . Mild cardiomegaly .