non-malignant

US /ˌnɑːn.məˈlɪɡ.nənt/
UK /ˌnɑːn.məˈlɪɡ.nənt/
1.

không ác tính

not likely to be harmful and especially not related to cancer:

:
The usual cause of the disease is a nonmalignant tumor on the pituitary gland at the base of the brain.