KIT and neoplasm: Furthermore, the tumor volume was significantly increased in the c-Kit+ASCs + 4T1/EPCs group, compared with the c-Kit−ASCs + 4T1/EPCs group and the EPCs/4T1 group (2275 mm2 versus 2052 mm2 and 2275 mm2 versus 1705 mm2, respectively; p < 0.05, Figures 3(a) and 3(b)).