Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left hemidiaphragm remains elevated . Opacity projecting over the left cardiophrenic angle may be due to atelectasis , less likely consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Persistent elevation of the left hemidiaphragm . Left cardiophrenic angle opacity is felt to more likely represent atelectasis rather than consolidation .