| Tumor size | Number | Mean value of Tg | Standard deviation |
| <1 cm | 1 | 93 ng/ml | - |
| 1 - 2 cm | 13 | 103.38 ng/ml | 186.36 |
| 2.1 - 3 cm | 11 | 302.1 ng/ml | 274.06 |
| >3 cm | 9 | 83.49 ng/ml | 162.7 |