Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained 1 day prior , no significant changes are appreciated . A right - sided chest tube is essentially unchanged in position . There is a small , right pleural effusion . Lungs are otherwise fully expanded and clear without focal consolidation . Heart size is normal and there is no pulmonary vascular congestion or pulmonary edema . Inferior median sternotomy wire fracture is unchanged since ___ , but new since ___ . Alignment of the inferior to median sternotomy wires is also changed since ___ .
    OUTPUT:
    
Small right pleural effusion with unchanged chest tube position . Note is also made of an inferior median sternotomy wire fracture with changed sternotomy wire alignment since ___ , bringing into consideration instability of the sternum . Correlation with radiographs between ___ and ___ may be helpful , if available .