. . . . . . transforms a normal cell into a cancerous cell.

Select the true statements.
$I.$ Cancer can be detected by the use of antibodies against cancer-specific antigens for certain types of cancer.
$II.$ The tumor cells are surgically removed to reduce the load of cancerous cells.
$III.$ Certain chemotherapeutic drugs are used to kill the cancerous cells,but the majority of the drugs have side effects like hair loss,anaemia,etc.

How many types of tumors are there in cancer?

Which of the following statements is $NOT$ correct regarding mutations in cancer cells?

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?

Consider the following statements:
$I.$ The property of metastasis is shown by malignant tumors.
$II.$ Carcinogens are the agents that cause cancer.
$III.$ Benign tumors cause little damage to body cells.
Which of the statements given above are correct?