Table 1
Natural course of familial adenomatous polyposis (FAP)
Stage
No of patients
Age (y)*
*Median (range).
Development of adenomas
44
17 (5–56)
Symptoms
196
34 (2–73)
Diagnosis of FAP
248
35 (5–73)
Diagnosis of colorectal cancer
159
40 (15–69)
Death from colorectal cancer
45
44 (27–69)