If many cancers can cause the immune system to not work properly, then what can happen with the immune system when the body has cancer?

Answer choices:
- a lot of human deaths
 - It won't work properly
 - major threat to health
 - It will work efficiently
 - hospitalization
 - It will grow
 - direct damage to the lungs
 - It won't do anything

 

  It won't work properly        