MKI67 and neoplasm: In 18 of 30 (60%) tumors, strong p110α expression (and membrane localization) was detected mainly in Ki67− tumor regions, while in the other tumors strong membrane p110α expression was either detected both in both Ki67− and Ki67+ tumor cells (5/30, 16.7%); mainly in Ki67+ tumor cells (3/30,10.0%); or it was undetectable (4/30; 13.3%).