Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior study of ___ , lung volumes have decreased and there is mild subsegmental atelectasis . An enteric tube has been removed , and the endotracheal tube is in unchanged position ending 4 .2 cm from the carina . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . No pneumothorax . 2 . Mild subsegmental atelectasis .