The incidence of a rare and deadly tumor called primary central nervous system lymphoma (PCNSL) is two times higher in black Americans, ages 20 to 49, than in white Americans, according to a new study.
The incidence of a rare and deadly tumor called primary central nervous system lymphoma (PCNSL) is two times higher in black Americans, ages 20 to 49, than in white Americans, according to a new study.