Single Biggest Cancer Dictionary in the World

What is

prophylactic cranial irradiation

?

Pronunciation: /ˌprɑfɪˈlæktɪk ˈkreɪˌniəl ˌɪˌreɪdiˈeɪʃən/

prophylactic cranial irradiation

Definition

Radiation therapy to the head to reduce the risk that cancer will spread to the brain.