Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient with known underlying pulmonary emphysema . No focal consolidation is seen . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable unremarkable . Small pulmonary nodules seen on prior CT were better assessed on CT .
    OUTPUT:
    
No acute cardiopulmonary process .