Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC line tip in the mid SVC , 4 cm from cavoatrial junction . Partially loculated right pleural effusion has improved . Small left pleural effusion has improved . Nodular pulmonary opacities bilaterally have mildly improved . Bibasilar opacities are improved . Shallow inspiration accentuates heart size . Normal pulmonary vascularity . No pneumothorax . Linear metallic radiopaque density projected over right axilla , represent surgical clip or radiopaque foreign body , stable .
    OUTPUT:
    
Improved cardiopulmonary findings . Surgical clip versus metallic foreign body right axilla , stable