Figure 2.

Chest X‐rays of a 61‐year‐old man with severe chest trauma treated with i.v. acetazolamide. A, Chest X‐ray routinely taken on the morning of the first event day. It shows pleural effusion, a vanishing tumor, multiple costal fractures, and subcutaneous emphysema on the right chest. B, Chest X‐ray taken during the attack. Additional findings, such as a bilateral butterfly shadow and air bronchograms, are present.