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What is LGSIL?

I recently got a pap smear done, and my OBGYN said my results were ""LGSIL"". She said it was actually not too serious and that we could wait and see what happens. I don't get it - if an LGSIL is a problem, why are we waiting? Shouldn't we treat it now, early on?
Pap smears are tests done to examine the cells from the cervix, which is the bottom portion of the uterus. These tests can detect cervical cancer, or abnormal cells that have the potential to eventually transform into a cervical cancer. Results of a Pap smear may be reported as "negative for intraepithelial lesion or malignancy," meaning that no abnormalities in the cells were seen when examined under a microscope. Conversely, the examination may reveal abnormal cells of different significance. LGSIL stands for "low-grade squamous intraepithelial lesion," meaning that there are early atypical changes seen in the collected cells that are often associated with the development of cervical cancer if left untreated. "Squamous" refers to the type of thin coating cells that make up the outer layer of the cervix. If a Pap smear returns with a result of LGSIL, then your physician may choose to follow-up with a repeat Pap smear (since most LGSIL resolves spontaneously), or he/she may choose to more aggressively monitor work up this result with a colposcopy and biopsy. A coloposcopy is test performed by your doctor in which he/she uses direct visualization with a light source and magnifying binoculars to visualize your cervix to detect any abnormalities in the skin. These abnormalities can be biopsied and then examined to gain more detail about the types of changes that may lead to cervical cancer.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under ZocDoc’s Terms of Service.

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