Table 2.

Neoplasic risk and age of onset

Tumor	Risk to life (%)	Beginning age
Breast	85	30
Thyroid	35	30-40
Kidney cells	34	50
Endometrium	28	40-50
Gastrointestinal	9	40
Melanoma	6	4

Adapted from https://rarediseases.org/rare-diseases/pten-hamartoma-tumor-syndrome/Copyright©2019