This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
What is epicolic node? 
Select and explain. 
A. Node draining colon, B. Adjacent to aoa, C. Epitracheal node, D. None
A: Node draining colon
Answer: A: Node draining colon 
Explanation: .Lymphatic Drainage of colon * Mucosa contains no lymph channels, so mucosal cancers rarely metastasize. * Nodes are epicolic (located in the colonic wall), paracolic (located along the inner margin), intermediate (located near mesenteric vessels), principal (located near main mesenteric vessles). ref:SRB&;s manual of surgery,ed 3,pg no 818