A Child Has Been Cured of a Retinoblastoma

A child has been cured of a retinoblastoma.When the parents ask how long monitoring for bone-related complications of radiation therapy should continue,which is the most appropriate response by the nurse?

A) "After 5 years, you can stop worrying about this."
B) "Cancers of the bone can occur up to 15 years later."
C) "Probably all complications will occur within 3 years."
D) "Radiation complications do not occur in bones."