Table 1 Cases of secondary lymph node metastasis
Case | References | Year | Sex | Age | Primary location | Differentiation | Invaded organ | Invasion depth of small intestine | Primary regional lymph node metastasis | Recurrence | Outcome (months) |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Ueno et al. [9] | 1990 | F | 67 | Sigmoid | tub1 | Ileum | Mucous membrane (forming fistula) | (−) | None | Alive (46) |
2 | Ueno et al. [9] | 1990 | F | 61 | Sigmoid | muc | Ileum | Mucous membrane (forming fistula) | (+) | None | Alive (12) |
3 | Ueno et al. [9] | 1990 | M | 72 | Sigmoid | tub1 | Ileum | Mucous membrane | (+) | Lung and liver metastasis | Dead (15) |
4 | Our case | 2020 | M | 67 | Sigmoid | tub2 | Ileum | Submucosa (causing obstruction) | (−) | None | Alive (21) |