Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All support devices including an endotracheal tube , nasogastric tube , left subclavian central venous line are unchanged . The right IJ central venous catheter has been removed . There is no pneumothorax . Increased left basilar retrocardiac opacification is likely due to worsening atelectasis . The right lung is now clear . Mild cardiomegaly despite the projection is unchanged .
    OUTPUT:
    
Worsening left lower lobe atelectasis .