Table 2 Preoperative and operative findings of PET/CT in patients who underwent operation (n = 133)
| Â | Â | n | FDG uptake in primary tumor | FDG uptake in local LN | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Yes (%) (n = 117) | No (%) (n = 16) | p-value | Yes (%) (n = 29) | No (%) (n = 104) | p-value |
Age(years) | < 60 | 53 | 46(86.8) | 7(12.1) | 0.734 | 11(20.8) | 42(79.2) | 0.811 |
|  | ≥ 60 | 80 | 71(88.8) | 9(10.7) |  | 18(22.5) | 62(77.5) |  |
Gender | Male | 92 | 82(89.1) | 10(10.9) | 0.570 | 22(23.9) | 70(76.1) | 0.378 |
| Â | Female | 41 | 35(85.4) | 6(14.6) | Â | 7(17.1) | 34(82.9) | Â |
DM | Positive | 18 | 16(88.9) | 2(11.1) | 1.000 | 5(27.8) | 13(72.2) | 0.543 |
| Â | Negative | 115 | 101(87.8) | 14(12.2) | Â | 24(20.9) | 91(79.1) | Â |
Size(cm) | < 5 | 65 | 54(83.1) | 11(16.9) | 0.090 | 10(15.4) | 55(84.6) | 0.080 |
|  | ≥ 5 | 68 | 63(92.6) | 5(7.4) |  | 19(27.9) | 49(72.1) |  |
Location | Upper | 22 | 20(90.9) | 2(9.1) | 1.000 | 5(22.7) | 17(77.3) | 0.909 |
| Â | Middle and lower | 111 | 97(87.4) | 14(12.6) | Â | 24(21.6) | 87(78.4) | Â |
Histology | Tubular carcinoma | 108 | 95(88.0) | 13(12.0) | 1.000 | 25(23.1) | 83(76.9) | 0.435 |
| Â | Signet ring/mucinous | 25 | 22(88.0) | 3(12.0) | Â | 4(16.0) | 21(84.0) | Â |
Curability | Curative operation | 99 | 84(84.8) | 15(15.2) | 0.047 | 14(14.1) | 85(85.9) | < 0.001 |
| Â | Non-curative operation | 34 | 33(97.1) | 1(2.9) | Â | 15(44.1) | 19(55.9) | Â |