Question

What is Malignant tumour. ​

Answer 1

Answer:

A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Malignant cells can also spread to other parts of the body through the blood and lymph systems. ... Central nervous system cancers are malignancies that begin in the tissues of the brain and spinal cord. Also called cancer.

Explanation:

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Answer 2

$\huge\underline\green{\sf Malignant\:Tumour:-}$

Some of the cancerous cells detach from their origin place and spread to other part of the body by blood and lymph .

Now the cancerous cell form fresh colonies there. This is called Metastatis or Secondary growth. This type of tumour is called metastatic or cancerous tumor.

Example :- All malignant tumors are called cancers.