Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable . Again noted is a right sided Port - A - Cath , with the tip terminating at the cavoatrial junction . A moderate right - sided pneumothorax status post removal of a right - sided chest tube remains . It has not increased in size . There is no pleural effusion .
    OUTPUT:
    
Stable examination of the chest with persistent , moderate right - sided pneumothorax .