Spread of cancerous cells to distant sites is termed as

Which of the following techniques is used for the detection of cancers of internal organs?

In which type of cancer is Alpha-fetoprotein $(AFP)$ produced?

How many main types of cancer are there?

Neoplasm originates in different types of cancers and spreads as masses of cells into other healthy tissues,which is untrue for . . . . . . .

Agents that cause cancer are known as ...........