26.  Deschoolmeester V, Baay M, Lardon F, Pauwels P, Peeters M. Immune Cells 
in Colorectal Cancer: Prognostic Relevance and Role of MSI. Cancer Microenviron. 
2011;4(3):377-92. doi: 10.1007/s12307-011-0068-5. 
27.  Svennevig JL,  Lunde OC,  Holter J,  Bjorgsvik  D.  Lymphoid  infiltration  and 
prognosis  in  colorectal  carcinoma.  Br  J  Cancer.  1984;49(3):375-7.  doi: 
10.1038/bjc.1984.60. 
28.  Kim JH, Kim KJ, Bae JM, Rhee YY, Cho NY, Lee HS, et al. Comparative 
validation  of  assessment  criteria  for  Crohn-like  lymphoid  reaction  in  colorectal 
carcinoma. J Clin Pathol. 2015;68(1):22-8. doi: 10.1136/jclinpath-2014-202603. 
29.  Pyo  JS,  Sohn  JH,  Kang  G.  Medullary  carcinoma  in  the  colorectum:  a 
systematic  review  and  meta-analysis.  Hum  Pathol.  2016;53:91-6.  doi: 
0.1016/j.humpath.2016.02.018. 
30.  Schneider  NI,  Langner  C.  Prognostic  stratification  of  colorectal  cancer 
patients:  current  perspectives.  Cancer  Manag  Res.  2014;6:291-300.  doi: 
10.2147/CMAR.S38827. 
31.  Kakar S, Shi M C, Berho ME, Driman DK, Fitzgibbons P, Frankel WL, et al. 
Protocol for the examination of specimens from patients with primary carcinoma of 
the colon and rectum. 8 ed. Washington, DC: College of American Pathologists; 
2017. p. 28. 
32.  Parra-Medina  R,  Lopez-Correa  P,  Gutierrez  V,  Polo  F.  Colonic 
adenosquamous  carcinoma  and  mucinous  adenocarcinoma  with  microsatellite 
instability. Malays J Pathol. 2018;40(2):199-202. 
33.  Benedix F, Schmidt U, Mroczkowski P, Gastinger I, Lippert H, Kube R. Colon 
carcinoma--classification  into  right  and  left  sided  cancer  or  according  to  colonic 
subsite?--Analysis  of  29,568  patients.  Eur  J  Surg  Oncol.  2011;37(2):134-9.  doi: 
10.1016/j.ejso.2010.12.004. 
34.  Lee GH, Malietzis G, Askari A, Bernardo D, Al-Hassi HO, Clark SK. Is right-
sided colon cancer different to left-sided colorectal cancer? - a systematic review. 
Eur J Surg Oncol. 2015;41(3):300-8. doi: 10.1016/j.ejso.2014.11.001. 
35.  Ueno H, Mochizuki H, Hashiguchi Y, Shimazaki H, Aida S, Hase K, et al. Risk 
factors  for  an  adverse  outcome  in  early  invasive  colorectal  carcinoma. 
Gastroenterology. 2004;127(2):385-94. doi: 10.1053/j.gastro.2004.04.022. 
36.  Kirsch R, Messenger DE, Riddell RH, Pollett A, Cook M, Al-Haddad S, et al. 
Venous invasion in colorectal cancer: impact of an elastin stain on detection and 
interobserver  agreement  among  gastrointestinal  and  nongastrointestinal 
pathologists.  Am  J  Surg  Pathol.  2013;37(2):200-10. 
doi10.1097/PAS.0b013e31826a92cd. 
37.  Messenger DE, Driman DK, Kirsch R. Developments in the assessment of 
venous  invasion  in colorectal  cancer:  implications for future  practice  and  patient 
outcome. Hum Pathol. 2012;43(7):965-73. doi: 10.1016/j.humpath.2011.11.015. 
38.  American Joint Committee on Cancer. The AJCC Cancer Staging Manual. 8 
ed: Springer International Publishing; 2017. 
39.  Zhang MR, Xie TH, Chi JL, Li Y, Yang L, Yu YY, et al. Prognostic role of the 
lymph node ratio in node positive colorectal cancer: a meta-analysis. Oncotarget. 
2016;7(45):72898-907. doi: 10.18632/oncotarget.12131. 
40.  Arnold A, Kloor M, Jansen L, Chang-Claude J, Brenner H, von Winterfeld M, 
et al. The association between microsatellite instability and lymph node count in