Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube , NG tube and right PICC line are in unchanged expected positions . There is new left lower lung volume loss with elevation of the left hemidiaphragm and increased opacity at the left base which could represent atelectasis or consolidation . The remaining lungs are clear . No pleural effusion or pneumothorax is present . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Volume loss in the left lower lung with a left basilar opacity which could represent atelectasis or consolidation .