Retained mismatch repair protein expression occurs in approximately 6% of microsatellite instability-high cancers and is associated with missense mutations in mismatch repair genes.
Hechtman JF et al.
Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc, 2020
Colorectal carcinoma with double somatic mismatch repair gene inactivation: clinical and pathological characteristics and response to immune checkpoint blockade.
Wang T et al.
Modern Pathology : an Official Journal of the United States and Canadian Academy of Pathology, Inc, 2019