Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left apical pneumothorax has increased after chest tube removal from 7 to 16 mm . Left middle lung atelectatic band is unchanged . Right lung is unremarkable . There is no pleural effusion . The patient just had sternotomy for CABG ; mild cardiac enlargement is unchanged .
    OUTPUT:
    
Left small apical pneumothorax has slightly increased after chest tube removal . This was discussed with ___ and ___-term chest x-ray followup has been suggested .