Adenocarcinoma in Situ of Endocervix (Medium Power)
Adenocarcinoma in Situ of Endocervix (Medium Power)

Above the black arrow the cleft is lined by typical endocervical epithelium with basal nuclei.
Below the black arrow the nuclei are enlarged and no mucin is readily visible.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by:Melinda Sanders, M.D. UCHC )