Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All lines and tubes are in appropriate positioning and unchanged compared to prior . There is new complete right upper lobe collapse . The lungs are otherwise clear . The pulmonary vasculature is normal . The cardiomediastinal silhouette is normal . There are no pleural effusions . There is no pneumothorax .
    OUTPUT:
    
1 . Appropriate positioning of all lines and tubes . 2 . New complete right upper lobe collapse , likely due to mucous plugging .