Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Median sternotomy wires are intact . The left - sided chest tube and mediastinal drain have been removed . There is no pneumothorax . Lung volumes are low , but there is no focal consolidation . Small right pleural effusion is now seen . Mild cardiomegaly and vascular engorgement are stable .
    OUTPUT:
    
No pneumothorax after removal of two chest tubes .