RT Book, Section A1 Schwartz, David T. SR Print(0) ID 121058 T1 Chapter I-14. White-Out Of Thorax—Atelectasis and Pleural Fibrosis T2 Emergency Radiology: Case Studies YR 2008 FD 2008 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-140917-9 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=121058 RD 2024/04/24 AB Two patients with opacification of the lower portion of one lung. Despite the similar radiographic appearance of the PA views, the cause of the opacification is quite different. This is reflected by the differences in their lateral views.