Table 1.

The number and age at diagnosis of patients with penile cancer and vulvar/vaginal cancer and number of patients with second primary cancer.

Primary cancer site	N (all/offspring)	Median age at diagnosis (years)
Penile cancer	3641/1276	68
Vulvar/vaginal cancer	8856/2233	73
Second primary cancer	N (%)	Median follow-up time (years)
After penile cancer	610a (16.8)	7
After vulvar/vaginal cancer	1028b (11.6)	5

^aThe number of second primary cancer in the offspring generation was 178, median follow-up time are 6 years.

^bThe number of second primary cancer in the offspring generation was 271, median follow-up time are 6 years.