Table 1.
Number of primary cancers (N), Proportion of multiple primary cancer (MCP) in 2004 [a], in 2017 [b] and the difference in percentage point between the proportion of MPC in 2017 and the proportion of MPC in 2004 ([b] -[a]) by gender, age category, region and cancer type
| Men and women | Men | Women | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period 2004–2017 | % MPC by year of incidence | Period 2004–2017 | % MPC by year of incidence | Period 2004–2017 | % MPC by year of incidence | |||||||||||
| N | % MPC | 2004 (N = 57,818) [a] | 2017 (N = 68,965) [b] | [b]-[a] | N | % MPC | 2004 (N = 31,763) [a] | 2017 (N = 36,670) [b] | [b]-[a] | N | % MPC | 2004 (N = 26,055) [a] | 2017 (N = 32,295) [b] | [b]-[a] | ||
| All cancers | 885,718 | 12.2 | 7.3 | 15.2 | 7.9 | – | – | – | – | – | – | – | – | – | – | |
| Gender | Men | 472,390 | 13.2 | 7.9 | 16.4 | 8.4 | – | – | – | – | – | – | – | – | – | – |
| Women | 413,328 | 11.1 | 6.6 | 14.0 | 7.3 | – | – | – | – | – | – | – | – | – | – | |
| Age | 15–44 years | 59,832 | 3.6 | 2.5 | 3.9 | 1.4 | 20,713 | 3.1 | 2.0 | 3.8 | 1.9 | 39,119 | 3.8 | 2.7 | 3.9 | 1.2 |
| 45–54 years | 104,821 | 6.7 | 5.2 | 7.3 | 2.1 | 42,029 | 5.9 | 4.7 | 6.2 | 1.5 | 62,792 | 7.3 | 5.5 | 8.0 | 2.5 | |
| 55–64 years | 196,881 | 10.0 | 6.5 | 12.1 | 5.6 | 108,549 | 9.4 | 5.8 | 11.0 | 5.2 | 88,332 | 10.9 | 7.5 | 13.4 | 5.9 | |
| 65–74 years | 247,706 | 14.1 | 8.5 | 17.3 | 8.8 | 151,182 | 14.4 | 9.0 | 17.4 | 8.3 | 96,524 | 13.7 | 7.6 | 17.1 | 9.5 | |
| + 75 years | 276,478 | 16.0 | 8.8 | 20.5 | 11.7 | 149,917 | 18.3 | 10.1 | 23.2 | 13.1 | 126,561 | 13.3 | 7.1 | 17.3 | 10.2 | |
| Region | Brussels capital | 71,033 | 11.2 | 6.2 | 14.1 | 7.8 | 34,264 | 11.9 | 6.5 | 14.7 | 8.3 | 36,769 | 10.5 | 6.0 | 13.4 | 7.4 |
| Flanders | 529,926 | 12.6 | 7.9 | 15.4 | 7.5 | 289,862 | 13.7 | 8.6 | 16.7 | 8.1 | 240,064 | 11.3 | 7.1 | 14.0 | 6.9 | |
| Wallonia | 284,759 | 11.7 | 6.6 | 15.1 | 8.6 | 148,264 | 12.5 | 7.1 | 16.2 | 9.1 | 136,495 | 10.9 | 6.0 | 14.1 | 8.1 | |
| Cancer type | Oesophagus | 13,306 | 17.7 | 11.6 | 22.8 | 11.1 | 9,793 | 18.1 | 11.1 | 20.9 | 9.9 | 3,513 | 16.7 | 13.1 | 27.6 | 14.5 |
| Kidney | 21,679 | 17.2 | 12.6 | 20.4 | 7.8 | 13,723 | 18.5 | 13.1 | 21.4 | 8.3 | 7,956 | 14.9 | 11.8 | 18.5 | 6.7 | |
| Bladder | 31,177 | 15.8 | 9.8 | 18.7 | 8.9 | 24,705 | 16.3 | 10.5 | 18.3 | 7.8 | 6,472 | 14.0 | 6.9 | 20.1 | 13.2 | |
| Lung | 108,595 | 15.8 | 9.5 | 19.0 | 9.6 | 77,767 | 16.2 | 9.7 | 19.9 | 10.2 | 30,828 | 14.7 | 8.7 | 17.3 | 8.6 | |
| Head and neck | 35,835 | 14.1 | 8.5 | 19.5 | 11.1 | 27,044 | 14.3 | 8.8 | 20.1 | 11.3 | 8,791 | 13.6 | 7.2 | 17.8 | 10.6 | |
| Bone and soft tissues | 5,948 | 13.8 | 8.2 | 19.6 | 11.4 | 3,231 | 13.4 | 8.0 | 17.5 | 9.5 | 2,717 | 14.3 | 8.5 | 22.2 | 13.7 | |
| Colorectal | 116,110 | 13.8 | 8.0 | 16.5 | 8.5 | 64,150 | 15.2 | 9.0 | 18.1 | 9.1 | 51,960 | 12.1 | 6.9 | 14.6 | 7.7 | |
| Stomach | 20,081 | 13.7 | 8.1 | 17.9 | 9.8 | 12,556 | 14.6 | 9.7 | 18.6 | 8.9 | 7,525 | 12.1 | 5.2 | 16.8 | 11.6 | |
| Liver | 9,792 | 13.4 | 6.4 | 14.4 | 8.0 | 6,897 | 14.4 | 6.5 | 13.2 | 6.7 | 2,895 | 11.2 | 6.4 | 17.4 | 11.0 | |
| Pancreas | 20,311 | 13.0 | 6.9 | 18.2 | 11.2 | 10,427 | 14.3 | 8.5 | 20.2 | 11.7 | 9,884 | 11.7 | 5.1 | 16.1 | 11.0 | |
| Leukaemia | 21,883 | 12.8 | 7.8 | 17.0 | 9.3 | 12,612 | 13.2 | 7.8 | 16.8 | 9.0 | 9,271 | 12.3 | 7.7 | 17.4 | 9.7 | |
| Non-Hodgkin’s lymphoma | 26,439 | 11.7 | 7.0 | 15.1 | 8.0 | 14,412 | 12.8 | 6.8 | 16.5 | 9.7 | 12,027 | 10.3 | 7.4 | 13.3 | 5.9 | |
| Multiple myeloma | 10,580 | 10.9 | 6.9 | 15.9 | 9.0 | 5,814 | 12.4 | 7.8 | 16.9 | 9.1 | 4,766 | 9.0 | 6.0 | 14.6 | 8.6 | |
| Melanoma of skin | 31,618 | 10.6 | 6.5 | 13.6 | 7.1 | 13,071 | 12.3 | 7.8 | 15.1 | 7.3 | 18,547 | 9.4 | 5.5 | 12.5 | 7.0 | |
| Ovary | 11,666 | 10.5 | 8.8 | 11.8 | 3.0 | 0 | – | – | – | – | 11,666 | 10.5 | 8.8 | 11.8 | 3.0 | |
| Corpus uteri | 19,828 | 10.3 | 7.2 | 13.4 | 6.2 | 0 | – | – | – | – | 19,828 | 10.3 | 7.2 | 13.4 | 6.2 | |
| Female Breast | 149,530 | 10.1 | 6.0 | 12.2 | 6.2 | 0 | – | – | – | – | 149,530 | 10.1 | 6.0 | 12.2 | 6.2 | |
| Thyroid | 12,004 | 8.8 | 5.0 | 9.7 | 4.7 | 3,149 | 12.4 | 7.1 | 14.4 | 7.4 | 8,855 | 7.5 | 4.3 | 8.1 | 3.7 | |
| Brain | 10,158 | 8.2 | 5.4 | 10.6 | 5.2 | 5,959 | 8.5 | 4.9 | 10.9 | 6.0 | 4,199 | 7.8 | 5.9 | 10.1 | 4.1 | |
| Prostate | 123,508 | 8.0 | 5.1 | 10.4 | 5.4 | 123,508 | 8.0 | 5.1 | 10.4 | 5.4 | 0 | |||||
| Hodgkin's lymphoma | 4,161 | 5.5 | 4.6 | 6.3 | 1.7 | 2,417 | 6.0 | 4.9 | 5.6 | 0.7 | 1,744 | 4.8 | 4.3 | 7.3 | 3.0 | |
| Cervix uteri | 8,798 | 4.8 | 2.9 | 5.8 | 2.9 | 0 | 8,798 | 4.8 | 2.9 | 5.8 | 2.9 | |||||
| Testis | 4,550 | 3.4 | 2.9 | 4.0 | 1.1 | 4,550 | 3.4 | 2.9 | 4.0 | 1.1 | 0 | |||||