Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are stable and unremarkable . A right - sided Port - A - Cath is stable in position . Again seen is a moderate right - sided pneumothorax , unchanged in appearance since recent examinations . Small right pleural effusion and adjacent right basilar atelectasis or scarring are unchanged . Postoperative alterations in the right hemi thorax are unchanged consistent with partial resection involving the right upper lobe and right middle lobe .
    OUTPUT:
    
Stable examination of the chest with persistent moderate right - sided pneumothorax .