Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slight elevation of the right hemidiaphragm , unchanged from the prior study . The lungs are clear bilaterally . There is no pneumothorax , pleural effusion , pulmonary edema , or focal consolidation . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .