Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , no change in right pleural effusion . Widened mediastinum is normal given post surgical status . NG tube , swanz - ganz catherter , right internal jugular catheter , and endotracheal catheter are all in appropriate position . Mild cardiomegaly is unchanged . Mediastinal hilar structures are normal . Median sternotomy wires are in place .
    OUTPUT:
    
Since ___ , no change in right pleural effusion . A chest radiograph in ___ hours is recommended . Support devices in appropriate locations .