Table 3. Risk of cancer of unknown primary with defined extranodal metastases for offspring with first degree relatives diagnosed with cancer.
| Cancer in relatives | All |
Abdomen |
Liver |
Head & neck |
Thorax |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O | SIR | 95%CI | O | SIR | 95%CI | O | SIR | 95%CI | O | SIR | 95%CI | O | SIR | 95%CI | ||||||
| Upper aerodigestive tract | 171 | 1.25 | 1.07 | 1.45 | 40 | 1.29 | 0.92 | 1.75 | 33 | 1.22 | 0.84 | 1.71 | 7 | 0.91 | 0.36 | 1.88 | 15 | 2.14 | 1.19 | 3.54 |
| Esophagus | 57 | 1.15 | 0.87 | 1.49 | 15 | 1.34 | 0.75 | 2.21 | 9 | 0.92 | 0.42 | 1.75 | 8 | 2.87 | 1.22 | 5.68 | 4 | 1.58 | 0.41 | 4.08 |
| Stomach | 248 | 1.00 | 0.88 | 1.13 | 72 | 1.29 | 1.01 | 1.63 | 42 | 0.88 | 0.63 | 1.18 | 15 | 1.17 | 0.65 | 1.94 | 14 | 1.16 | 0.63 | 1.95 |
| Colorectum | 691 | 1.00 | 0.93 | 1.08 | 164 | 1.05 | 0.89 | 1.21 | 146 | 1.09 | 0.92 | 1.27 | 30 | 0.79 | 0.53 | 1.10 | 34 | 1.00 | 0.69 | 1.36 |
| Colon | 418 | 0.96 | 0.87 | 1.06 | 102 | 1.03 | 0.84 | 1.25 | 92 | 1.08 | 0.87 | 1.32 | 14 | 0.58 | 0.32 | 0.98 | 19 | 0.88 | 0.53 | 1.37 |
| Rectum | 273 | 1.08 | 0.96 | 1.22 | 62 | 1.08 | 0.83 | 1.39 | 54 | 1.10 | 0.83 | 1.44 | 16 | 1.16 | 0.66 | 1.89 | 15 | 1.20 | 0.67 | 1.99 |
| Liver | 187 | 1.14 | 0.98 | 1.31 | 45 | 1.21 | 0.88 | 1.62 | 46 | 1.44 | 1.05 | 1.92 | 13 | 1.47 | 0.78 | 2.52 | 6 | 0.74 | 0.27 | 1.62 |
| Lung | 603 | 1.39 | 1.28 | 1.51 | 113 | 1.15 | 0.95 | 1.39 | 121 | 1.41 | 1.17 | 1.68 | 44 | 1.77 | 1.29 | 2.38 | 39 | 1.74 | 1.24 | 2.38 |
| Breast | 805 | 1.08 | 1.01 | 1.16 | 195 | 1.15 | 1.00 | 1.33 | 172 | 1.19 | 1.02 | 1.38 | 51 | 1.23 | 0.92 | 1.62 | 37 | 1.00 | 0.70 | 1.38 |
| Endometrium | 166 | 0.98 | 0.84 | 1.15 | 44 | 1.15 | 0.84 | 1.55 | 33 | 1.01 | 0.70 | 1.42 | 10 | 1.08 | 0.52 | 2.00 | 9 | 1.11 | 0.50 | 2.11 |
| Ovary | 167 | 1.18 | 1.01 | 1.38 | 52 | 1.63 | 1.22 | 2.14 | 36 | 1.31 | 0.92 | 1.82 | 10 | 1.30 | 0.62 | 2.39 | 3 | 0.43 | 0.08 | 1.27 |
| Prostate | 957 | 1.07 | 1.01 | 1.14 | 223 | 1.10 | 0.96 | 1.25 | 180 | 1.04 | 0.90 | 1.21 | 57 | 1.17 | 0.89 | 1.52 | 36 | 0.82 | 0.57 | 1.14 |
| Kidney | 206 | 1.15 | 1.00 | 1.31 | 46 | 1.13 | 0.83 | 1.51 | 37 | 1.07 | 0.75 | 1.47 | 14 | 1.45 | 0.79 | 2.44 | 7 | 0.80 | 0.32 | 1.66 |
| Urinary bladder | 317 | 1.14 | 1.02 | 1.27 | 66 | 1.04 | 0.81 | 1.33 | 54 | 0.99 | 0.74 | 1.29 | 18 | 1.15 | 0.68 | 1.82 | 20 | 1.43 | 0.87 | 2.21 |
| Nervous system | 186 | 1.05 | 0.90 | 1.21 | 45 | 1.12 | 0.81 | 1.50 | 39 | 1.14 | 0.81 | 1.56 | 9 | 0.92 | 0.42 | 1.76 | 12 | 1.38 | 0.71 | 2.42 |
| CUP | 236 | 1.17 | 1.03 | 1.33 | 53 | 1.17 | 0.87 | 1.53 | 45 | 1.16 | 0.84 | 1.55 | 7 | 0.64 | 0.25 | 1.33 | 19 | 1.93 | 1.16 | 3.02 |
| All | 4635 | 1.05 | 1.02 | 1.08 | 1062 | 1.06 | 1.00 | 1.12 | 903 | 1.05 | 0.99 | 1.12 | 269 | 1.10 | 0.98 | 1.24 | 227 | 1.04 | 0.91 | 1.18 |