Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter has been removed . Median sternotomy wires appear intact . The lungs are well expanded . Aside from left lower lobe atelectasis there is no new focal opacity to suggest pneumonia . The heart is mildly enlarged . There is no pulmonary edema . There is likely small left pleural effusion . No pneumothorax .
    OUTPUT:
    
1 . Probable small left pleural effusion and atelectasis . No evidence of pneumonia . 2 . Mild cardiomegaly .