Hello There Doc. I Want Some Help About My Daddy

Hello there doc.
I want some help
About my daddy he got a brain tumor.
Specifically he got 8 tumors, the mri result said that it is a brain metastasiz because last year he got an kidney tumor also but it already removed the doctor showed us the 1 kidney with a tumor. The doctor said we dont need some biopsy. Then this year we found out He got brain tumor. My Dad can cure of the chemotherapy and radiation therapy right? Doctor please help me. I really really love my dad! I want to save him.