Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . There has been interval resolution of the previously noted diffuse tree - in - ___ nodular opacities compatible with infectious bronchiolitis . No new focal consolidation , pleural effusion or pneumothorax is identified . Pulmonary vasculature is not engorged . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Resolution of previously seen diffuse infectious bronchiolitis .