HOXA11 and neoplasm: In addition to the effect on tumor size, the HOXA11-AS RNAi-54 group also exhibited a decreased vascular area ratio (7.396 ± 3.266) of tumor formation in chick chorioallantoic membrane compared to the lenti-control virus group (17.867 ± 5.795, t = 3.575, P = 0.006, Fig. 11).