Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT is not visualized , suggesting interval removal . A right IJ catheter ends in the distal SVC . Lung volumes remain low . Left lung atelectasis is probably decreased with reduced leftward shift of the mediastinum since ___ . The large region of consolidation in the left lung has markedly improved . The heart is top - normal in size , similar to to 7 . No definite pleural effusion . Retrocardiac opacity is unchanged .
    OUTPUT:
    
1 . ETT not visualized . 2 . Significant interval decrease in the left lung opacity and atelectasis .