Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , there is decreased right lung volume with elevation of the right hemidiaphragm , likely due to increased combination of right basal atelectasis and pleural effusion . No significant pulmonary edema is seen . There is stable appearance of postop cardiomediastinal silhouette . Right introducer has been removed . No pneumothorax is seen . Median sternotomy wires are intact . Left sided single chamber ICD is unchanged in position .
    OUTPUT:
    
Interval increased right basal opacity .