Identify the biological response modifier substance which activates the immune system and helps in destroying the tumor.

In the treatment of cancer,what characteristic is produced in the body when $\alpha$-interferons are administered?

Hodgkin's disease is:

Study the following sentences.
$I.$ The cells of malignant tumours divide erratically.
$II.$ They are malignant tumours of epithelial cells.
$III.$ They are malignant tumours of organs that originate from mesoderm.
$IV.$ These tumours are found in organs such as spleen and lymph nodes.
Which of the above are true for angiosarcoma?

Which treatment methods are used in the treatment of cancer?

In which type of cancer does the number of immature white blood cells increase?