Table 1

SIRs,a familial proportions (% of all affected offspring with an affected parent), and PAFs for parent-offspring familial relationships among 0–61-year-old offspring, based on the Swedish Family-Cancer Database, modified from Ref. 3 .

SiteSIRProportion (%)Familial PAF (%)
Stomach1.74.51.9
Colorectum2.09.84.9
Lung1.65.62.1
Breast, female1.98.13.8
Cervix1.94.01.9
Endometrium2.93.12.0
Ovary2.83.12.0
Prostate2.717.210.8
Testis4.30.40.3
Kidney1.52.91.4
Bladder1.53.41.7
Melanoma2.42.31.3
Skin, squamous2.23.41.9
Nervous system1.72.51.0
Thyroid6.92.52.1
Other endocrine2.52.11.4
Lymphoma1.61.00.4
Leukemia1.82.41.1
  • a SIR, standardized incidence ratios.