Figure 1. The esophagus had overlapped or was within a short distance to the target on the (a) left side, (b) centrally, and (c) right side.
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.