Which is a treatment for cancer?

(Select all that apply.)

1) radiation
2)surgery
3) chemotherapy
4)ultraviolet light

I know option 3) is an answer, but I can't decide between 1) and 2), I know people CAN operate on cancer, but the cells could explode and spread the cancer, making it even more serious

3 answers

My daughter went through 1, 2, and 3 during her treatment for cancer.
I hope she's doing better, thank you for the help
Two kinds of UV light – ultraviolet A (UVA) and ultraviolet B (UVB) – can be used to treat skin lymphoma