Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided Swan - Ganz catheter has now been removed and the patient is now extubated . The enteric tube is also now been removed . Chest tube projects over the left lower hemithorax and the right lower mediastinum . There is a small left apical pneumothorax . Lung volumes remain low . The heart and mediastinum remain mildly enlarged . Bilateral basilar atelectasis is unchanged . No pleural effusion . Median sternotomy wires and replaced valve are unchanged .
    OUTPUT:
    
Small left apical pneumothorax with chest tubes to water seal .