Figure 4: Effects of FLCWK and 5-FU coadministration on tumor size, tumor weight and tumor inhibition rate in the xenograft nude mice. A: Changes in tumor volume from day 1 to day 17. B: Changes in tumor weight. C: Photographs of xenografted athymic mouse tumors after the 17-day treatment. Data are shown as mean±SD. &P<0.05 compared to model, &&P<0.01 compared to Model; ##P<0.01 compared to 5-FU 20 mg/kg; **P<0.01 compared to 5-FU 25 mg/kg. FLCWK: Feng-liao-chang-wei-kang; 5-FU: 5-fluorouracil.