Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right subclavian line terminates in the lower superior vena cava . Orogastric and endotracheal tubes have been removed . Retrocardiac opacity has improved with decreased elevation of the left hemidiaphragm which suggests improving atelectasis . There are again multiple bilateral nodules suggesting metastatic disease . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
Marked improvement in left lower lobe collapse . Status post extubation .