Why is it so hard to cure cancer? CHOOSE ALL THAT MAY APPLY Cancer cells can suppress the immune system of the person they are found in
We need new, better ways to study cancer cells in the laboratory,
Cancerous go through a different cell cycle than healthy cells
Even in one person, they may have 6 different subclones of cancerous cells
Cancer cells can develop their own blood vessels
Even if you kill almost all of the cancerous cells, a single cancer stem cell can remain and create new tumors
Cancer cells can change their gene expression in reaction to treatments such as radiation