level 2 cervical cancersigns of cervical dysplasiamoderate to severe cervical dysplasiacervical dysplasia symptoms bleedinglevel 3 cervical cancer cellsmoderate dysplasiamoderate squamous dysplasiamoderate to severe dysplasiamoderate to severe squamous dysplasiamild to moderate dysplasialevels of precancerous cervical cellslevels of abnormal cervical cells