Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are unremarkable . Residual hazy opacities persist at bilateral lung bases and inferior lingula from prior recent infection but are significantly improved from prior study . There is no pleural effusion or pneumothorax . There is no new focal consolidation . The osseous structures are grossly unremarkable .
    OUTPUT:
    
Hazy bibasilar opacities , likely the residua from recent prior infection greatly improved in appearance . No new focal consolidation .