Cancer

Question 1

What is a tumour?

Answer 1

• An abnormal mass of cells that results from the uncontrolled growth and division of a group of cells

Question 2

Why are only some tumours considered cancerous?

Answer 2

• Benign tumours are contained in one place, usually in a membrane
• Malignant tumours spread to different parts of the body (through the bloodstream) and cause secondary tumours