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.
Characterization of the sample according to TNM stage (AJCC Cancer Staging Manual, 2010 – 7th edition) and demographic features.
| Characteristic | Frequency (n = 171) |
% |
|---|---|---|
| Demographic features | ||
| Male gender | 166 | 97.1 |
| Age (>60 years) | 75 | 43.9 |
| Smoking habits (>20 cigarettes/day) | 142 | 83 |
| Stage | ||
| I | 1 | 0.6 |
| II | 5 | 2.9 |
| III | 38 | 22.2 |
| IVa | 120 | 70.2 |
| IVb | 7 | 4.1 |
| T | ||
| Tis | 1 | 0.6 |
| T1 | 1 | 0.6 |
| T2 | 5 | 2.9 |
| T3 | 45 | 26.3 |
| T4a | 119 | 69.6 |
| N | ||
| N0 | 83 | 48.5 |
| N1 | 25 | 14.6 |
| N2a | 28 | 16.4 |
| N2b | 17 | 9.9 |
| N2c | 13 | 7.6 |
| N3 | 5 | 2.9 |
