Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates at the cavoatrial junction . There has been interval removal of the right - sided chest tube . There is minimal residual apical pneumothorax but there is no mediastinal shift or diaphragmatic flattening to suggest tension and the extent of the pneumothorax is unchanged compared to prior exam . The cardiomediastinal contours are within normal limits . The lungs are clear . There is no large pleural effusion .
    OUTPUT:
    
Status post chest tube removal with stable residual right apical pneumothorax and no evidence of tension .