Fig. 4From: Spontaneous regression of advanced transverse colon cancer with deficient mismatch repair: a case reportResected specimen and histopathological examination findings. a The resected specimen left only a discolored scar, and the tumor had disappeared. b Histopathological examination revealed mucosal regeneration and a mucus nodule in between the submucosal and muscular layers, with no cancer cells. All of the resected specimens also showed no malignancyBack to article page