Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 5 .6 cm from the carina . NG tube is seen coursing below the diaphragm ; however , is not completely imaged . Since the most recent prior radiograph , lung volumes are slightly lower . There is no focal consolidation , pleural effusion , or pneumothorax . Cardiomediastinal silhouette is unchanged . A right PICC line has been removed .
    OUTPUT:
    
Slightly lower lung volumes . Otherwise , no significant change .