Which two cancer treatments are often used together? why are they used together?

Chemotherapy and Radiation

Explanation:

These are most always used together unless there is an extenuating circumstance with the patient. These treatments help to kill the cancer cell. They ave horrible effects on the human body such as hair loss, losing weight, weakened immune system all of which while devastating to see or go through, have a chance of getting rid of the cancer.

answer; more than 80% percent of adults;