Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is continued elevation of the left hemidiaphragm with left pleural abnormality , unchanged since the prior exam . There is no evidence of pneumonia , pneumothorax or pulmonary edema . The heart is top normal in size .
    OUTPUT:
    
No acute cardiopulmonary disease . Elevation of the left hemidiaphragm and left pleural abnormality which may represent either a loculated effusion or pleural thickening , is unchanged since prior exam .