When an Aide Asks Why Carcinomas Rarely Occur in Childhood

When an aide asks why carcinomas rarely occur in childhood, how should the nurse respond? (Select all that apply.)

A) Carcinomas cannot develop in an immunosuppressed environment.
B) Carcinomas need a long time from exposure to occurrence.
C) Carcinomas are due to environmental exposures.
D) Carcinomas occur primarily in secondary sexual organs.
E) Carcinomas are mesodermal.