Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , there has been interval removal of enteric tube and right PICC . Lung volumes are relatively low with diffuse airspace opacities which overall have slightly improved since prior , particularly in the right mid lung . There is no pleural effusion . The cardiomediastinal silhouette stable . Dual lead left chest wall pacing device is again seen . Median sternotomy wires and mediastinal clips are again seen with fracture of the superior most wire . Calcified granuloma in the left upper lung and calcified AP window nodes are identified .
    OUTPUT:
    
Slight interval improvement of the bilateral airspace disease when compared to ___ . This could represent underlying edema or infection .