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. 2022 Jan;14(1):43–53. doi: 10.21037/jtd-21-1483

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2022 Journal of Thoracic Disease. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0/.

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Anteroposterior plain radiographs showing the course of subcutaneous emphysema before and after NPWT. (A) Chest radiograph prior to initiation of NPWT showing massive subcutaneous emphysema and a right-sided pneumothorax of 5 cm. (B) Chest radiograph 48 hours after start of NPWT demonstrating substantial improvement of subcutaneous emphysema and pneumothorax. (C) Chest radiograph 5 days after start of NPWT, presenting only a small amount of residual subcutaneous emphysema. NPWT, negative pressure wound therapy; L, patient’s left side.