Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are noted . There is hilar congestion with mild interstitial pulmonary edema . Prominence of bronchovascular markings in the right medial lung base noted without convincing evidence for pneumonia . No large pleural effusion or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air seen below the right hemidiaphragm .
    OUTPUT:
    
Mild interstitial pulmonary edema .