PD-L1 Expression Is Associated with Deficient Mismatch Repair and Poor Prognosis in Middle Eastern Colorectal Cancers. - Siraj, Abdul K.; Parvathareddy, Sandeep Kumar; Annaiyappanaidu, Padmanaban; Haqawi, Wael; Al-Rasheed, Maha; AlManea, Hadeel M.; AlHussaini, Hussah F.; Al-Dayel, Fouad; Al-Kuraya, Khawla S. (Journal of Personalized Medicine, 2021)