Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a left - sided chest tube in a near - complete resolution of a now a trace left pleural effusion . Minimal left lower lobe atelectasis is noted . There remainder of the lungs are grossly clear . There is no evidence of pneumothorax . The cardiomediastinal silhouette is stable . Multiple rib fractures on the let are again noted .
    OUTPUT:
    
Status post left chest tube placement . Minimal residual left pleural effusion .