the adenocarcinoma in situ involved both surface and gland epithelia in all cases , involved a variable number of quadrants , involved glands beneath the transformation zone in about two thirds of cases , was multifocal only occasionally , extended up the endocervical canal for a variable distance ( up to 30 mm ) , and was associated with squamous dysplasia in about half of cases .
C0334276
adenocarcinoma in situ
C0014609
epithelia