Table 2. TP53 sequencing results of 62 patients with primary localized (n = 40) or metastastic (n = 22) GIST.
Stage/tissue | no.pts (n = 62) | Mutation | % | Polymorphism (P72R) | % |
very low | 5 | 0 | 0% | 5 | 100% |
low | 10 | 0 | 0% | 10 | 100% |
moderate | 9 | 1 (H193R) | 11% | 8 | 89% |
high | 16 | 0 | 0% | 14 | 87% |
metastatic | 22 | 1 (H290P) | 5% | 20 | 91% |