Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC terminates in the proximal SVC . An endotracheal tube terminates 3 .9 cm above the carina . The cardiomediastinal and hilar contours are stable . There is improved aeration in the upper and mid right lung status post recent bronchoscopy . There is persistent opacity at the base of the right lung and involving the mid right lung consistent with effusion and collapse . The left lung shows subtle opacities at the base , suggesting atelectasis . No pneumothorax .
    OUTPUT:
    
Improved aeration of the upper and mid right lung status post bronchoscopy . Persistent opacity at the base of the right lung likely represents a moderate pleural effusion and right middle lobe and right lower lobe collapse .