Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post partial left first rib resection . A left chest tube is in unchanged position . There is no pneumothorax . There is probably a trace left pleural effusion . There is no focal consolidation or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Stable appearance status post partial left first rib resection . 2 . No pneumothorax . 3 . Probable trace left pleural effusion .