Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No consolidation or edema is evident . Median sternotomy and CABG again noted . There is aortic tortuosity similar to prior exams . The cardiac silhouette remains borderline enlarged . No effusion or pneumothorax is noted . The osseous structures are otherwise grossly unremarkable . Long segment and multiple coronary stents are evident as on prior studies .
    OUTPUT:
    
No acute pulmonary process .