Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are obtained . Bilateral small - to - moderate pleural effusions are noted . The heart size is top normal ( accounting for AP technique ) . The lungs demonstrate interstitial edema . There is no evidence of pneumothorax . Post - CABG and post-aortic valve replacement changes are stable since prior study . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Interstitial pulmonary edema and bilateral small - to - moderate pleural effusions . No evidence of focal consolidation or pneumothorax .