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Lymphovascular invasion among 384 cases of pedunculated type early invasive colorectal cancer with lymph node metastasis
| Head invasion | Stalk invasion | Total | |
|---|---|---|---|
| Lymph node metastasis, n (%) | |||
| ly (+), v (+) | 0/1 (0.0) | 0/14 (0.0) | 0/15 (0.0) |
| ly (+), v (−) | 0/16 (0.0) | 2/17 (11.8) | 2/33 (6.1) |
| ly (−), v (+) | 0/12 (0.0) | 1/18 (5.6) | 1/30 (3.3) |
| ly (−), v (−) | 0/72 (0.0) | 5/80 (6.3) | 5/152 (3.3) |
ly, lymphatic invasion; v, venous invasion.
