How is a cancerous cell (neoplastic cell) different from a normal cell?

Explanation

Cancer cells are different from normal cells as they
(i) continue dividing ceaselessly.
(ii) divide in an uncontrolled manner.
(iii) do not undergo differentiation.
(iv) form an everygrowing tumour by accumulation.
(v) do not remain confied to the part of the body where they are formed.
(vi) invade the neighbouring tissue and dislocate their functions.
(vii) spead throughout the body, forming secondary tumours.