Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates persistent collapse of the remaining portions of the right lung with stable large right pneumothorax and moderate pleural effusion . Cardiomediastinal contours are unchanged . Interval increase in the engorgement of pulmonary vessels in the left lung may represent high flow state . No left - sided pleural effusion .
    OUTPUT:
    
Persistent collapse of the right lung and right - sided pneumothorax .