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Lymphatic and venous invasion detected by immunohistochemical staining using hematoxylin–eosin, D2‐40, and Elastica van Gieson
| Stain | Present (%) | P value | |
|---|---|---|---|
| Lymphatic invasion | HE | 7 (6.9) | 0.0073 |
| D2‐40 | 21 (20.6) | ||
| Venous invasion | HE | 4 (3.9) | <0.0001 |
| EVG | 48 (47.1) | ||
| Lymphovascular invasion | HE | 9 (8.8) | <0.0001 |
| D2‐40/EVG | 58 (56.9) |
Data were analyzed using Fisher's exact test. HE, hematoxylin–eosin.
