Pneumothorax or Skin Fold?

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[1]  A. Niazi,et al.  A Case of Pseudo-pneumothorax with Complications , 2018, Cureus.

[2]  Y. Tokuda,et al.  Pseudo-pneumothorax: skin fold is an excellent imitator , 2018, BMJ Case Reports.

[3]  O. Lababede,et al.  Differentiating Pneumothorax from the Common Radiographic Skinfold Artifact. , 2015, Annals of the American Thoracic Society.

[4]  C. Straus,et al.  Now you see it, now you don't: visual illusions in radiology. , 2013, Radiographics : a review publication of the Radiological Society of North America, Inc.