Lohsiriwat , Varut, Chayudee Rungteeranont, and Napat Saigosoom. 2020. “Incidence and Pattern of Nodal Metastasis in Colon and Rectal Cancer: A Study of 1012 Cases from Thailand”. Siriraj Medical Journal 72 (5):386-90. https://doi.org/10.33192/Smj.2020.52.