Q ) Which of the following group of lymph nodes do lymphatics of the colon first drain to?
a) Paracolic
b) Epicolic
c) Nodes along SMA/IMA
d) Para aortic
Ans ) b
Lymphatics first drain to epicolic group along the bowel wall
Then paracolic group along the marginal artery
Intermediate group along the named vessels SMA/IMA
Finally to par aorticÂ
Colon and upper 2/5 of rectum --- Para aortic
Lower 1/5 of rectum and anal canal - Superficial inguinal lymph nodes
Ref Sabiston-1317