What is cervical cytology and TCT?

Cervical cytology examination is to take a little cervical cells under the microscope to see if there are any changes in the cells, to judge whether the patient has cancer or precancerous lesions, cervical cytology examination has TCT and LCT two kinds, in fact, only to check the film out of the film into the process, means are different, two different forms, but they are cytological examination.