Fig. 4From: Diagnosis and clinical implication of collision gastric adenocarcinomas: a case reportImmunohistochemical findings of mismatch repair (MMR) proteins in a representative colliding gastric adenocarcinoma (Case 3). a MLH1(−), MLH2( +), PMS2(−), and MLH6( +) indicating deficient MMR. b MLH1( +), MLH2( +), PMS2( +), and MLH6( +) indicating proficient MMRBack to article page