concentrations of 5-fu in cancerous tissues after uft administration were 0.177 +/- 0.131 micrograms/g in gastric cancer and 0.130 +/- 0.051 micrograms/g in colorectal cancer , while in patients to whom tegafur had been administered , the concentrations were 0.194 +/- 0.124 micrograms/g and 0.119 +/- 0.075 micrograms/g , respectively .
C0016360
fu
C0016778
tegafur