Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The small left pleural effusion is new from the prior study . There is no focal consolidation , pulmonary edema , or pneumothorax . The right IJ central venous catheter has been withdrawn compared with the prior study . Mediastinal clips and median sternotomy wires are unchanged .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .