Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided internal jugular line has been removed . Tracheostomy and right - sided PICC are in stable position , with the tip of the PICC in the right atrium . There is improved aeration of the lungs , although remain low , when compared to ___ . Mild interstitial pulmonary edema and bilateral effusions have improved . Multifocal opacities have also improved .
    OUTPUT:
    
Overall interval improvement , with improved aeration and decrease in the multifocal pneumonia . Low lung volumes can represent restriction in the setting of prior ARDS .