Image | Statistics | Caption |
 |  | Conization: carcinoma in situ (CIS) associated with an early stromal invasion (circle). The CIS is localized between the arrows (anterior and posterior lips). For staging see the glossary. |
 | | Early stromal invasion: conization, presence of an early stromal invasion at the base of a gland (mature neoplastic squamous cells). Invasion demarcated by a lymphocytic infiltrate (circle). |
 | | Early stromal invasion: conization, invasion demarcated by a lymphocytic infiltrate. |
 | | Early stromal invasion: conization, endocervical margin involvement, early stromal invasion originating from a gland (arrow). |
 | | Early stromal invasion demarcated by a lymphocytic infiltrate. |
