Imaging variable | KRAS mutation (-) | KRAS mutation (+) | P value |
---|---|---|---|
Regional lymph node metastasis (%) | (n = 67) | (n = 46) | 0.736 |
 No | 6 (8.96) | 5 (10.87) |  |
 Yes | 61 (91.04) | 41 (89.13) |  |
Necrosis | (n = 61) | (n = 41) | 0.011 |
 No | 19 (31.15) | 4 (9.76) |  |
 Yes | 42 (68.85) | 37 (90.24) |  |
Distant lymph node metastasis (%) | Â | Â | 0.790 |
 No | 51 (76.12) | 34 (73.91) |  |
 Yes | 16 (23.88) | 12 (26.09) |  |
Liver metastasis (%) | Â | Â | 0.167 |
 No | 29 (43.28) | 26 (56.52) |  |
 Yes | 38 (56.72) | 20 (43.48) |  |
Lung metastasis (%) | Â | Â | 0.166 |
 No | 61 (91.04) | 37 (82.22) |  |
 Yes | 6 (8.96) | 8 (17.78) |  |
Bone metastasis (%) | Â | Â | > 0.999 |
 No | 66 (98.51) | 44 (97.78) |  |
 Yes | 1 (1.49) | 1 (2.22) |  |