Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided pheresis catheter tip terminates at the cavoatrial junction . Opacity seen only on the lateral view overlying the right infrahilar region could represent superimposition of structures or a cavity . There is no pleural effusion . No pneumothorax . Mediastinum , hila and pleural surfaces are unremarkable . Heart size is normal .
    OUTPUT:
    
Right - sided pheresis catheter tip terminates at the cavoatrial junction . Opacity seen only on the lateral view overlying the right infrahilar region could represent superimposition of structures or a cavity . Recommend oblique views for further evaluation .