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.
An example of different measurement methods and results of the same lymph node. A patient aged between 40 and 60 y old was diagnosed as N3 NPC, with the greatest diameter of the cervical lymph node = 6.50 cm by palpation (A); while in MRI, the maximal axial diameter of the same node = 37.74 mm (B)
