MUC1 and neoplasm: The tumor volumes of xenografts derived from HCCC9810-Mock and RBE-MUC1 cells were 376.3 ± 35.92 and 125.7 ± 11.75 mm3, respectively, which were significantly larger than those of HCCC9810-shMUC1 and RBE-Mock cells (217 ± 9.572 and 53.97 ± 5.058 mm3, all P value <0.01).