Precancerous cervix is also known as carcinoma in situ. At this stage, abnormal epithelial cells have just begun to appear in the lining of the cervix but have not invaded deep into the main tissue or spread to other parts.

The Pap test helps to screen for precancerous and cancerous lesions on the cervix. Screening for early detection of cervical cancer by Pap smear is extremely important, providing a higher chance of treatment for patients.

Cervical cancer is a malignant cancer and the leading cause of death for women. Pap test was born to help screen for cervical cancer; look for abnormal changes in cells in the cervix. From there, timely treatment measures can be taken before the disease causes dangerous complications.