Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , Swan - ___ catheter , orogastric tube , mediastinal drains and left chest tube have been removed . Median sternotomy wires are stable as well as mitral valve replacement . Lung volumes are slightly decreased , expected after extubation . There is improved pulmonary vascular congestion . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumothorax .