Cervical cancer is malignant neoplasm of the cervix uteri or cervical area (the lower part of the uterus that opens at the top of the vagina). Cancer of the cervix is the second most common cancer among women worldwide. It is estimated that around 250,000 women die from cervical cancer every year.
Almost all cervical cancer cases (99%) are caused by the Human Papillomavirus or HPV. There are many different types of HPV but only about 15 types of HPV are known to cause cervical cancer. Types 16 and 18 account for more than 70% of all cervical cancer cases worldwide.