Fig. 1.
a Chest radiograph showing a large tumor shadow in the middle lung field and pleural effusion in the right cavity. b Scout image showing a large tumor shadow in the upper lung field. Note the change in position of the tumor
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.