Cervical cancer means cervical surface cells have cancerous cell changes as well as signs of cancer “invasion” outside the cells.
An abnormal Pap smear rarely means cervical cancer. Sometimes, a Pap test is found to be abnormal for simple reasons such as a minor vaginal infection. There are three levels of cell changes in the non-cancer range before progression into cervical cancer. The pre-cancer cell changes are the ones diagnosed by Pap smears and they are classified as CIN I, CIN II and CIN III.
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