Paracolic nodes are small nodes lying along the marginal artery next to the wall of the colon. They are the first-tier nodes for the large intestine.
| Location | Along the marginal artery close to the mesenteric border of the colon |
|---|---|
| Receives lymph from |
|
| Lymphatic drainage |
|
Filter lymph from the colon wall before it reaches more central nodes.
Colon cancer usually spreads first to paracolic nodes. At least 12 nodes are examined after bowel cancer surgery for accurate staging, and node involvement often decides whether chemotherapy is offered.
Spread of colon cancer to paracolic nodes, upstaging the disease.
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