Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the right hemidiaphragm is unchanged from multiple prior studies with associated atelectasis of the right lung base . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .