What is parametrial invasion?

Parametrial invasion refers to the spread of cancerous cells into the parametrium, which is the connective tissue surrounding the uterus. This type of invasion often occurs in gynecological cancers, particularly cervical and endometrial cancers, indicating a more advanced stage of the disease. The presence of parametrial invasion can impact treatment decisions and prognosis, as it may suggest a greater extent of cancer spread beyond the primary tumor site.