| Anatomic Location | BH (n = 18) | RT (n = 20) | FB (n = 8) |
| Head vs. Body | 0.663 | 0.852 | 0.779 |
| Head vs. Tail | 0.029 | 0.198 | 0.779 |
| Body vs. Tail | 0.019 | 0.042 | 0.207 |