Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . A vascular stent is again noted in the region of the SVC , left brachiocephalic vein . There is blunting of the right CP angle which could indicate a small effusion . No overt signs of edema or pneumonia . The cardiomediastinal silhouette is stable . Bony structures are intact . Degenerative changes again noted at the left glenohumeral joint .
    OUTPUT:
    
Small right pleural effusion . Otherwise unremarkable .