Index Cancer Site | Lung | Stomach | Colorectum | Breast | Cervix uteri | Corpus uteri | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | N | % | N | % | N | % | |
Total | 1681 | 100 | 1582 | 100 | 1916 | 100 | 1588 | 100 | 206 | 100 | 542 | 100 |
Number of prior cancers before the index cancer | ||||||||||||
 1 | 1551 | 92.3 | 1488 | 94.1 | 1794 | 93.6 | 1507 | 94.9 | 191 | 92.7 | 510 | 94.1 |
 2 | 121 | 7.2 | 88 | 5.6 | 116 | 6.1 | 79 | 5.0 | 15 | 7.3 | 29 | 5.4 |
 3 | 9 | 0.5 | 6 | 0.4 | 5 | 0.3 | 2 | 0.1 | 0 | 0.0 | 3 | 0.6 |
 4 | 0 | 0.0 | 0 | 0.0 | 1 | 0.1 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
Diagnostic time intervala | ||||||||||||
  < 3 months | 282 | 16.8 | 374 | 23.6 | 445 | 23.2 | 317 | 20.0 | 43 | 20.9 | 107 | 19.7 |
 3 months–1 year | 188 | 11.2 | 151 | 9.5 | 173 | 9.0 | 177 | 11.1 | 28 | 13.6 | 38 | 7.0 |
 1–5 years | 623 | 37.1 | 541 | 34.2 | 634 | 33.1 | 548 | 34.5 | 71 | 34.5 | 152 | 28.0 |
 5–10 years | 373 | 22.2 | 324 | 20.5 | 421 | 22.0 | 357 | 22.5 | 40 | 19.4 | 156 | 28.8 |
 10–15 years | 215 | 12.8 | 192 | 12.1 | 243 | 12.7 | 189 | 11.9 | 24 | 11.7 | 89 | 16.4 |
Stage of prior cancerb | ||||||||||||
 Localized | 979 | 58.2 | 917 | 58.0 | 1155 | 60.3 | 882 | 55.5 | 105 | 51.0 | 300 | 55.4 |
 Regional lymph nodes | 285 | 17.0 | 233 | 14.7 | 275 | 14.4 | 232 | 14.6 | 40 | 19.4 | 104 | 19.2 |
 Regional extension | 185 | 11.0 | 174 | 11.0 | 202 | 10.5 | 212 | 13.4 | 15 | 7.3 | 66 | 12.2 |
 Distant metastasis | 66 | 3.9 | 100 | 6.3 | 117 | 6.1 | 112 | 7.1 | 13 | 6.3 | 20 | 3.7 |
 Other or unknown | 166 | 9.9 | 158 | 10.0 | 167 | 8.7 | 150 | 9.4 | 33 | 16.0 | 52 | 9.6 |
Treatment of prior cancerb | ||||||||||||
 Radiotherapy only | 24 | 1.4 | 32 | 2.0 | 37 | 1.9 | 28 | 1.8 | 3 | 1.5 | 10 | 1.8 |
 Chemotherapy only | 65 | 3.9 | 97 | 6.1 | 123 | 6.4 | 88 | 5.5 | 13 | 6.3 | 25 | 4.6 |
 Chemoradiotherapy | 41 | 2.4 | 28 | 1.8 | 27 | 1.4 | 31 | 2.0 | 4 | 1.9 | 2 | 0.4 |
 Surgery only | 784 | 46.6 | 747 | 47.2 | 860 | 44.9 | 848 | 53.4 | 89 | 43.2 | 217 | 40.0 |
 Surgery plus chemotherapy or radiotherapy | 484 | 28.8 | 403 | 25.5 | 518 | 27.0 | 368 | 23.2 | 50 | 24.3 | 215 | 39.7 |
 Other or unknown | 283 | 16.8 | 275 | 17.4 | 351 | 18.3 | 225 | 14.2 | 47 | 22.8 | 73 | 13.5 |
Site of prior cancerb | ||||||||||||
 Mouth and pharynx | 50 | 3.0 | 32 | 2.0 | 29 | 1.5 | 39 | 2.5 | 4 | 1.9 | 8 | 1.5 |
 Esophagus | 24 | 1.4 | 62 | 3.9 | 26 | 1.4 | 27 | 1.7 | 2 | 1.0 | 1 | 0.2 |
 Stomach | 239 | 14.2 | – | – | 445 | 23.2 | 250 | 15.7 | 31 | 15.0 | 29 | 5.4 |
 Colon | 203 | 12.1 | 320 | 20.2 | – | – | 252 | 15.9 | 22 | 10.7 | 46 | 8.5 |
 Rectum | 95 | 5.7 | 132 | 8.3 | – | – | 133 | 8.4 | 13 | 6.3 | 19 | 3.5 |
 Liver | 48 | 2.9 | 104 | 6.6 | 93 | 4.9 | 58 | 3.7 | 9 | 4.4 | 3 | 0.6 |
 Gallbladder and bile duct | 14 | 0.8 | 36 | 2.3 | 35 | 1.8 | 13 | 0.8 | 2 | 1.0 | 6 | 1.1 |
 Pancreas | 30 | 1.8 | 31 | 2.0 | 28 | 1.5 | 13 | 0.8 | 0 | 0.0 | 4 | 0.7 |
 Larynx | 13 | 0.8 | 2 | 0.1 | 4 | 0.2 | 2 | 0.1 | 3 | 1.5 | 0 | 0 |
 Lung | 0 | 0.0 | 96 | 6.1 | 151 | 7.9 | 155 | 9.8 | 12 | 5.8 | 25 | 4.6 |
 Melanoma of skin | 1 | 0.1 | 3 | 0.2 | 3 | 0.2 | 3 | 0.2 | 0 | 0.0 | 1 | 0.2 |
 Other skin | 27 | 1.6 | 42 | 2.7 | 39 | 2.0 | 30 | 1.9 | 3 | 1.5 | 12 | 2.2 |
 Mesothelioma | 1 | 0.1 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
 Breast | 485 | 28.9 | 378 | 23.9 | 528 | 27.6 | – | – | 54 | 26.2 | 253 | 46.7 |
 Cervix uteri | 72 | 4.3 | 61 | 3.9 | 62 | 3.2 | 100 | 6.3 | 0 | 0.0 | 23 | 4.2 |
 Corpus uteri | 66 | 3.9 | 45 | 2.8 | 108 | 5.6 | 132 | 8.3 | 12 | 5.8 | 0 | 0.0 |
 Uterus | 6 | 0.4 | 3 | 0.2 | 5 | 0.3 | 7 | 0.4 | 2 | 1.0 | 1 | 0.2 |
 Ovary | 46 | 2.7 | 25 | 1.6 | 56 | 2.9 | 60 | 3.8 | 4 | 1.9 | 44 | 8.1 |
 Bladder | 27 | 1.6 | 27 | 1.7 | 38 | 2.0 | 23 | 1.4 | 4 | 1.9 | 10 | 1.8 |
 Renal and urinary tract | 49 | 2.9 | 26 | 1.6 | 67 | 3.5 | 51 | 3.2 | 7 | 3.4 | 12 | 2.2 |
 Brain and central nervous system | 6 | 0.4 | 4 | 0.3 | 3 | 0.2 | 1 | 0.1 | 0 | 0.0 | 3 | 0.6 |
 Thyroid | 86 | 5.1 | 40 | 2.5 | 68 | 3.5 | 131 | 8.2 | 1 | 0.5 | 17 | 3.1 |
 Hodgkin lymphoma | 4 | 0.2 | 1 | 0.1 | 3 | 0.2 | 1 | 0.1 | 1 | 0.5 | 0 | 0.0 |
 Non-Hodgkin lymphoma | 38 | 2.3 | 56 | 3.5 | 50 | 2.6 | 48 | 3.0 | 8 | 3.9 | 15 | 2.8 |
 Immunoproliferative diseases | 0 | 0.0 | 0 | 0.0 | 1 | 0.1 | 1 | 0.1 | 0 | 0.0 | 0 | 0.0 |
 Myeloma | 2 | 0.1 | 9 | 0.6 | 12 | 0.6 | 7 | 0.4 | 2 | 1.0 | 2 | 0.4 |
 Lymphoid leukemia | 4 | 0.2 | 2 | 0.1 | 2 | 0.1 | 1 | 0.1 | 2 | 1.0 | 0 | 0.0 |
 Myeloid leukemia | 4 | 0.2 | 7 | 0.4 | 8 | 0.4 | 9 | 0.6 | 1 | 0.5 | 2 | 0.4 |
 Others | 41 | 2.4 | 38 | 2.4 | 52 | 2.7 | 41 | 2.6 | 7 | 3.4 | 6 | 1.1 |