Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy 2 and left subclavian central line again seen , with line tip over proximal / mid SVC . Cardiomediastinal silhouette is grossly unchanged . Retrocardiac opacity again noted . No overt CHF . No other areas of focal consolidation . Possible minimal blunting of the right costophrenic angle .
    OUTPUT:
    
As above . .