Summary of the distribution of cancers in relatives of pancreatic cancer patients according to tumour site*
| Pancreas (n=185) | EBSC (n=128) | Other diagnoses† (n=318) | |
|---|---|---|---|
| *Data obtained from questionnaire completed by patients. | |||
| †These diagnoses include: non-malignant diseases of the pancreas (n=166, including 119 chronic pancreatitis), benign biliary disorders (n=54), other benign pathologies (n=22), and other malignancies (n=47). | |||
| ‡Percentage of cases. | |||
| ¶Non-specified. | |||
| EBSC, extrabiliary system cancer. | |||
| Family history of cancer | |||
| Unknown | 20 | 5 | 31 |
| Yes | 48 (30%) | 42 (34%) | 74 (25%) |
| No | 117 (70%) | 81 (66%) | 215 (75%) |
| Tumour site‡ | |||
| Stomach | 7 | 7.3 | 5.9 |
| Breast | 5 | 5.7 | 3.5 |
| Colorectal | 4.2 | 3.3 | 2.1 |
| Lung+pleura | 4.2 | 6.5 | 2.1 |
| Abdominal¶ | 3.6 | 1.6 | 1.4 |
| Pancreas | 1.8 | 0.8 | 1.0 |
| Liver+EBSC | 1.8 | 5.7 | 1.4 |
| Oesophagus | 1.8 | 0 | 0.7 |
| Prostate | 1.8 | 0.8 | 1.7 |
| Unknown | 1.8 | 4.9 | 3.1 |
| Head and neck | 1.2 | 3.3 | 2.1 |
| Haematopoietic | 1.2 | 1.6 | 2.1 |
| Bladder | 1.2 | 0 | 0.35 |
| Brain | 0.6 | 1.6 | 0.7 |
| Female genital | 0.6 | 0.8 | 3.8 |
| Bone | 0 | 0 | 1.0 |
| Skin | 0 | 1.6 | 0 |
| Kidney | 0 | 0.8 | 0.35 |
| Total relatives with cancer | 65 | 57 | 96 |