Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has been extubated and nasogastric tube has been removed . There are linear opacities at the right lung base , most likely representing atelectasis . Left pleural effusion and left basilar atelectasis persist . Retrocardiac opacity is also stable . There is no pneumothorax or overt pulmonary edema . The prominence of central pulmonary vessels may represent mild pulmonary vascular congestion . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Bibasilar atelectasis and left pleural effusion .