Table 2 Prevalence of MSI, KRAS and BRAF and associated LN yield rate.
MSI | KRAS codon12 + 13 | BRAF V600E | |||||
|---|---|---|---|---|---|---|---|
n | Prevalence | Node yielda | Prevalence | Node yielda | Prevalenceb | Node yielda | |
All | 204 | 67 (33) | 53 (79) | 75 (37) | 51 (68) | 57 (28) | 41 (72) |
Stage I | 40 | 17 (43) | 12 (71) | 17 (43) | 8 (47) | 12 (30) | 8 (67) |
Stage II | 103 | 32 (31) | 26 (81) | 37 (36) | 26 (70) | 27 (27) | 21 (78) |
Stage III | 61 | 18 (30) | 15 (83) | 21 (34) | 17 (81) | 18 (30) | 12 (67) |