Cumulative cancer risk in Peutz-Jeghers syndrome36
| Type of cancer | Cumulative cancer risk in Peutz-Jeghers syndrome | |
| 50 years | 70 years | |
| All cancers | 31% (3.45%) | 85% (17.7%) |
| Gastrointestinal | 15% (0.3%) | 57% (3.9%) |
| Breast | 13% (1.8%) | 45% (7%) |
| Gynaecological | 8% (0.7%) | 18% (2.1%) |
| Pancreas | 5% (<0.1%) | 11% (0.5%) |
| Lung | 4%(0.2%) | 17% (4.7%) |
Population risk are shown in brackets.