Table 4.
Sibling-pairs with the same type of cancer, stratified by sibling-pairs
| No. | Brothers | Sisters | Brother-and-sister | |||
|---|---|---|---|---|---|---|
| Disease | N (%) | Disease | N (%) | Disease | N (%) | |
| 1 | Lung Cancer | 37 (35.9) | Breast Cancer | 77 (56.2) | Lung Cancer | 46 (45.5) |
| 2 | Liver Cancer | 22 (21.4) | Lung Cancer | 29 (21.2) | Stomach Cancer | 15 (14.8) |
| 3 | Stomach Cancer | 19 (18.4) | Cervical Cancer | 7 (5.1) | Colorectal Cancer | 14 (13.9) |
| 4 | Esophageal Cancer | 13 (12.6) | Liver Cancer | 5 (3.6) | Liver Cancer | 11 (10.9) |
| 5 | Colorectal Cancer | 9 (8.7) | Thyroid Cancer | 5 (3.6) | Esophageal Cancer | 6 (5.9) |
| 6 | Nasopharyngeal Carcinoma | 1 (1.0) | Colorectal Cancer | 5 (3.6) | Thyroid Cancer | 3 (3.0) |
| 7 | Prostate Cancer | 1 (1.0) | Ovarian Cancer | 4 (2.9) | Pancreatic Cancer | 3 (3.0) |
| 8 | Lymphoma | 1 (1.0) | Esophageal Cancer | 2 (1.5) | Breast Cancer | 1 (1.0) |
| 9 | – | – | Pancreatic Cancer | 2 (1.5) | Myeloma | 1 (1.0) |
| 10 | – | – | Stomach Cancer | 1 (0.7) | Cholangiocarcinoma | 1 (1.0) |
| Sum (A/B)a |
103/367 (28.1) |
137/368 (37.2) | 101/535 (18.9) | |||
aA, the sum of the sibling-pairs with same type of cancer; B, the sum of the sibling-pairs with cancer