Tumour infiltrating lymphocyte status is superior to histological grade, DNA mismatch repair and BRAF mutation for prognosis of colorectal adenocarcinomas with mucinous differentiation
David S Williams, Dmitri Mouradov, Marsali R Newman, Elham Amini, David K Nickless, Catherine G Fang, Michelle Palmieri, Anuratha Sakthianandeswaren, Shan Li, Robyn L Ward, Nicholas J Hawkins, Iain Skinner, Ian Jones, Peter Gibbs, Oliver M Sieber
Modern Pathology | NATURE PUBLISHING GROUP | Published : 2020
Mucinous colorectal adenocarcinoma (CRC) is conventionally defined by extracellular mucin comprising >50% of the tumour area, while tumours with ≤50% mucin are designated as having a mucinous component. However, these definitions are largely arbitrary and comparisons of clinico-molecular features and outcomes by proportion of mucinous component are limited. A cohort of 1643 patients with stage II/III cancer was examined for tumour mucinous component, DNA mismatch repair (MMR) status, BRAF mutation and tumour infiltrating lymphocytes (TILs). Tumours with ≤50% mucinous component exhibited similar characteristics as mucinous tumours, including association with female gender, proximal location, ..View full abstract
Awarded by Cancer Australia Project Grant
Awarded by Cancer Council Victoria
The authors have no conflict of interest to declare. This work was supported by a Cancer Australia Project Grant (APP1120882), a Cancer Council Victoria Grant-in-Aid (1060964), the Victorian Government's Operational Infrastructure Support Program, a University of Melbourne Department of Pathology Career Development Award, and an Austin Medical Research Foundation Project Grant. O.M.S. is a NHMRC Senior Research Fellow (APP1136119).