Lymph node of horse with melanoma.
![](https://sites.tufts.edu/vetimages/files/2021/08/Lymph_node_of_horse_with_melanoma-20460.jpg)
Organ: Lymph node. Comments: Malignant melanoma cells from the skin of a horse have metastasized to a lymph node.
Organ: Lymph node. Comments: Malignant melanoma cells from the skin of a horse have metastasized to a lymph node.