The mean survival time based on the chemotherapy times of treatment in T3N1M0 cases
| Treatment number | Cases | Mean survival time (months) |
|---|---|---|
| 1 or 2 | 30 | 20 ±5 |
| 3 or >3 | 22 | 26 ±3 |
There was a significant difference between the mean survival time for patients receiving chemotherapy over 3 times or 3 times or less than 3 times based on analysis separating chemotherapy treatment, But when the same analysis was conducted without lymphatic métastasés, it showed that the number of chemotherapy treatments did not effect the long-term survival rate.