Hello
Pre cancer condition of cervix is called cervical dysplasia.This pre-cancerous condition can be detected by a Pap smear and is fully treatable.
If not treated pre-cancerous changes can develop into cervical cancer and spread to the bladder, intestines, lungs, and liver. It can take years for pre-cancerous changes to turn into cervical cancer.
It can take 10 years or longer for cervical dysplasia to develop into cancer. The greater the abnormality, the higher the risk for developing cervical cancer.
But if treated by time & if it is not of stage 3 ,it doesnot get changed to cancer.
Source:
http://www.nlm.nih.gov/medlineplus/ency/article/001491.htm
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Doctor Manju