Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, Difference in lung point localization was determined by comparing the ultrasound-placed needles with the extension of the PTX on the CT scans. B, The sternum-lung point (S-LP) distance. The lung is increasingly separated from the chest wall as the PTX expands, leading to lateralization of the lung point and increased S-LP distance. See Figure 2 legend for expansion of other abbreviations.
