Figure 3From: Clinical implications of thymidylate synthetase, dihydropyrimidine dehydrogenase and orotate phosphoribosyl transferase activity levels in colorectal carcinoma following radical resection and administration of adjuvant 5-FU chemotherapy Disease-free survival for patients with high TS activity and low TS activity. The 5-year disease-free survival rates for high and low TS activity were 34% and 73%, respectively. The difference in survival was statistically significant. (P < 0.05)Back to article page