TCT can detect cervical cancer when you have it, especially for the exophytic type of cervical cancer, because endophytic cervical cancer tends to grow inward, where the cells on the surface of the cervix are normal while the inner cells have become cancerous, which is relatively rare. The most common type of cervical cancer is the exophytic type, which grows prominently outward and can be detected by TCT. In case of ectopic cervical cancer, most of them will have bleeding after intercourse, TCT examination is performed by placing a cell brush on the endocervix and rotating it several times, removing the brush, placing the brush in a specimen bottle and sending it to the pathology department, which will make a slide to observe the cell changes under the microscope and make a corresponding diagnosis.