Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall power injectable Port - A - Cath tip and left PICC line tip project over the right atrium . A right pleural drainage tube is present . Unchanged atelectasis at the right lung base as well as patchy airspace opacities predominantly involving the right lung . A small right pleural effusion is present . Trace right pneumothorax which is better evaluated on today 's CT scan of the chest . The size the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Trace right pneumothorax ; however this was better evaluated on today 's CT scan of the chest . Otherwise there is no significant interval change since the prior examination . .