Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates 1 .2 cm from the carina on the current study , though it has been repositioned on the followup examination and is in appropriate position . There is increasing density in the left lung base which may be due to developing pneumonia or an aspiration event . No pulmonary edema or large pleural effusion is identified . Cardiomediastinal and hilar contours are within normal limits on this supine radiograph .
    OUTPUT:
    
1 . Endotracheal tube just above the carina , though proximally repositioned on followup radiograph . 2 . Increasing opacification of the left lung base possibly due to developing infection or an aspiration event .