From: The relative risk of second primary cancers in Queensland, Australia: a retrospective cohort study
 | First Primary Cancers | Second Primary Cancers | ||
---|---|---|---|---|
 | Number of cases | % | Number of cases | % |
Total | 204,962 | 100.0 | 23,580 | 100.0 |
Sex | Â | Â | Â | Â |
   Males | 110,961 | 54.1 | 14,388 | 61.0 |
   Females | 94,001 | 45.9 | 9,192 | 39.0 |
Age at first diagnosis | Â | Â | Â | Â |
   15-49 years | 41,690 | 20.3 | 3,150 | 13.4 |
   50-64 years | 60,573 | 29.6 | 7,687 | 32.6 |
   65 years and over | 102,699 | 50.1 | 12,743 | 54.0 |
Period of first diagnosis | Â | Â | Â | Â |
   1982-1986 | 36,216 | 17.7 | 4,716 | 20.0 |
   1987-1991 | 43,904 | 21.4 | 5,841 | 24.8 |
   1992-1996 | 57,381 | 28.0 | 6,972 | 29.6 |
   1997-2001 | 67,461 | 32.9 | 6,051 | 25.7 |
Follow-up interval | Â | Â | Â | Â |
   2 months to less than 1 year | n.a. | 2,511 | 10.6 | |
   1 year to less than 5 years | n.a. | 8,924 | 37.8 | |
   5 years to less than 10 years | n.a. | 7,286 | 30.9 | |
   10 years or longer | n.a. | 4,859 | 20.6 | |
Type of first primary cancer | Â | Â | Â | Â |
   Head and neck (C00-C14,C30-C32) | 10,942 | 5.3 | 1,989 | 8.4 |
   Oesophagus (C15) | 2,075 | 1.0 | 105 | 0.4 |
   Stomach (C16) | 4,103 | 2.0 | 206 | 0.9 |
   Colorectal (C18-C20,C218) | 27,814 | 13.6 | 3,046 | 12.9 |
   Pancreas (C25) | 2,817 | 1.4 | 49 | 0.2 |
   Lung (C33-C34) | 17,347 | 8.5 | 729 | 3.1 |
   Melanoma (C44,M872-M879) | 29,289 | 14.3 | 5,092 | 21.6 |
   Breast - female (C50) | 26,725 | 13.0 | 2,962 | 12.6 |
   Cervix (C53) | 3,492 | 1.7 | 300 | 1.3 |
   Uterus (C54) | 3,527 | 1.7 | 409 | 1.7 |
   Ovary (C56) | 2,864 | 1.4 | 164 | 0.7 |
   Prostate (C61) | 23,122 | 11.3 | 3,006 | 12.7 |
   Kidney (C64-C66,C68) | 4,927 | 2.4 | 655 | 2.8 |
   Bladder (C67) | 8,719 | 4.3 | 1,680 | 7.1 |
   Brain & CNS (C70-C72) | 2,566 | 1.3 | 50 | 0.2 |
   Thyroid (C73) | 2,302 | 1.1 | 215 | 0.9 |
   Non-Hodgkin lymphoma (M967-M972) | 6,618 | 3.2 | 689 | 2.9 |
   Lymphoid leukaemia (M982-M983) | 2,645 | 1.3 | 422 | 1.8 |
   Myeloid leukaemia (M984-M993) | 2,195 | 1.1 | 125 | 0.5 |
   Myeloma/PCT (M973) | 2,174 | 1.1 | 134 | 0.6 |
   Other | 18,699 | 9.1 | 1,553 | 6.6 |