Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Newly inserted right basal small bore pleural drainage catheter has a relatively short intra thoracic excursion . Right basilar pneumothorax has decreased . Right lower lobe opacities are stable . Mild pulmonary edema has improved . Mild cardiomegaly .
    OUTPUT:
    
Interval decrease of small right basilar pneumothorax .