Regarding TS status and UFT-based chemotherapy, furthermore, the 5-year survival rates were 53.8% in UFT-treated patients with TS-negative tumours, 15.0% in UFT-untreated patients with TS-negative tumours, 15.2% in UFT-treated patients with TS-positive tumours, and 7.1% in UFT-untreated patients with TS-positive tumours (Figure 2D). This evidence concerns the gene TYMS and neoplasm.