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What is cancer? how many types of cancer are there? how do you cure cancer? please give clear answers...with explanation.




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Cancer may be defined as an enlargement of a tissue that occurs due to unlimited and uncontrolled mitotic divisions (or simply cell multiplication) of certain cells forming tumours (or neoplasm) and invades surrounding tissues.
There are two types of Cancer Tumour
1.MalignantTumour :-
  These grows first slowly and then rapidly , extends to neighbouring tissues and form secondary tumours (cancerous).
2.Nonmalignant Tumour :-
   These grows slowly, remains intact and is noncancerous.
1.Surgery i.e. removal of entire tumour.
2.Radiation i.e. exposure to X-rays which destroy rapid growing cells
3.Chemotherapy i.e. administration of certain anticancerous drugs and are more toxic to cancerous cell than normal cells

And Done !

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