Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is unchanged persistent elevation of the left hemidiaphragm . There is left basilar atelectasis , but no focal consolidations . The pulmonary vasculature is normal . The cardio mediastinal silhouette is stable . There is no pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Persistent elevation of the left hemidiaphragm , but no evidence of pneumonia .