MKI67 and neoplasm: Overall average/median staining values of feline malignant tumor tissues were 3899/4352 (TCII), 3149/3092 (TCII-R) and 35/31% (Ki-67); range of staining values was 36-7346 (TCII), 0-6622 (TCII-R) and 2-86% (Ki-67).