Question

Mention the various ways in which cancer can be treated. [3]

Answer 1

Cancer is treated in the following ways :

1. Tumor cells are irradiated lethally, taking proper care of the normal tissues surrounding the tumor mass. This process is called radiation therapy. [1]
2. Chemotherapeutic drugs are also used to kill cancerous cells. [1]
3. Tumor cells avoid detection and destruction by the immune system. Biological response modifiers such as alpha-interferon activate the immune system and help in destroying the tumor. [1]