MKI67 and epithelial neoplasm: The Ki-67 index obtained from the manual counting was also compared among the neoplasms (Additional file 1: Figure S1): the Ki-67 index of carcinomas was 23.17% (10.00-39.67), with no difference compared to epitheliomas, which showed a Ki-67 index of 9.67% (3.00-21.67).