Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates 5 .7 cm above the carina . Right - sided PICC line terminates at the low SVC . An orogastric tube courses below the diaphragm , tip is not included in this examination . The left lung is re-expanded . There is residual retrocardiac opacity , which likely reflects a combination of atelectasis and fluid . The right lung is clear . The cardiac silhouette is enlarged .
    OUTPUT:
    
Re-expansion of the left lung with residual retrocardiac opacity which likely reflects a combination of atelectasis and pleural fluid .