Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates a heart which is top - normal in size , unchanged . Plate like atelectasis / scarring at the left lung base is also unchanged . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .