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.
| Location of the primary lesion | Patients with cervical lymph node involvement | Patients with thoracic lymph node involvement | Patients with abdominal lymph node involvement | Patients with overall lymph node involvement |
| Upper thoracic (5) | 1 | 1 | 2 | 2 |
| Mid thoracic (8) | 0 | 4 | 3 | 5 |
| Lower thoracic (18) | 1 | 8 | 5 | 10 |
| Total | 2 | 13 | 10 | 17 |
