Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC terminates in the distal SVC as before . A tracheostomy is in unchanged position . A moderate layering right pleural effusion is demonstrated as well as a small to moderate left layering pleural effusion . Bibasilar opacities likely reflect atelectasis . The heart is enlarged but stable from multiple prior exams . There is no pneumothorax . The pulmonary vasculature is minimally engorged in and there is mild interstitial pulmonary edema , improved from the prior .
    OUTPUT:
    
Moderate , layering pleural effusions as well as bibasilar opacities which likely reflect atelectasis . No pneumothorax . Mild interstitial edema has improved from the prior .