MKI67 and neoplasm: Tumours co-expressing stathmin and p53 had an especially high median mitotic count of 10.1 mitoses/mm2 (Ki67 60%) and 9.2 mitoses/mm2 compared with 2.1 mitoses/mm2 (Ki67 18%) and 3.3 mitoses/mm2 for cases without co-expression (cohort 1–2).