Question

Cancer classification is generally done by identifying

the division rate of cancerous cells.
the affected body part and system.
the color and size of a tumor.
the method of transmission in the body.

Answer 1

Doctors classify cancer using the site at which the cancer started or the type of tissue where the cancer originated. For example, a person can have breast cancer, which is usually a type of carcinoma, or cancer that arises from epithelial tissue.

Step-by-step explanation:

B

Answer 2

the affected body part and system