Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable erect frontal chest radiograph again demonstrates multiple sternal wires , which are intact . Heart size remains mildly enlarged . The lungs are fairly well - aerated , without focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .