Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube terminates approximately 5 .7 cm above the carinal . Right - sided PICC terminates at the cavoatrial junction . There are persistent low lung volumes with bilateral diffuse interstitial opacities compatible with interstitial edema with no significant interval change . No pleural effusions . Stable cardiomegaly . Bony thorax is unchanged .
    OUTPUT:
    
Persistent low lung volumes and unchanged interstitial edema with cardiomegaly . Right PICC terminates at the cavoatrial junction .