Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extensive subcutaneous emphysema persists throughout the right chest wall and extending into the soft tissues of the neck bilaterally . The degree of subcutaneous emphysema markedly limits the assessment of the right lung , particularly for the presence of pneumothorax . An unusual crescenteric radiolucency overlies the lower right lung and could potentially represent a pneumothorax . Within the left lung , linear atelectasis persists at the base . Probable small bilateral pleural effusions are also demonstrated .
    OUTPUT:
    
Extensive subcutaneous emphysema . Questionable right pneumothorax for which followup radiograph is recommended as discussed with Dr . ___ by telephone on ___ at 8 : 20 a .m .