Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lung collapse has significantly improved but there is worsening of left lower lung opacities which could reflect atelectasis , aspiration or pneumonia . Left - sided PICC line is in adequate position in mid SVC . New NG tube ends below the diaphragm . There is no pneumothorax or pleural effusion . Mediastinal and cardiac contours are normal .
    OUTPUT:
    
1 . Right lower lobe collapse has significantly improved . 2 . Increase in left lower lung opacities could reflect atelectasis , pneumonia or aspiration . This has been discussed with Dr . ___ .