MKI67 and neoplasm: The enhanced tumor growth can be demonstrated by significant increase in Ki‐67 staining of the tumors in the c‐Myc overexpression group (median 22.5%, range 5%‐45%) compared with that in the vector control group (median 3.5%, range 2%‐10%; P = .002, Wilcoxon’s rank‐sum test; Table S2).