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Size of the metastatic lesion in the node positive cases n = 28
| Metastatic lesion size | Dye(+) | CTLG(+) |
| Isolated tumor cells(<0.2 mm) | 2(100%) | 2(100%) |
| Micrometastasis(0.2~2 mm) | 10(91%) | 9(82%) |
| Macrometastasis(≧2 mm) | 13(87%) | 12(80%) |
Dye: Dye-guided method, CTLG: CT Lymphography
