Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are noted . In this patient with recent pneumonia , there is overall improvement . Mild residual reticular opacities are noted with a perihilar distribution raising potential concern for mild edema . No large effusion or pneumothorax . Cardiomediastinal silhouette appears stable . Bony structures are intact . Clips noted in the upper abdomen .
    OUTPUT:
    
Interval improvement with mild perihilar reticular opacity which could represent edema or atypical infection .