adenocarcinomatous

ad·e·no·car·ci·no·ma·tous

(ad'ĕ-nō-kahr'si-nō'mă-tŭs) Pertaining to a malignant tumor originating in glandular epithelium.

adenocarcinoma

(ad?e-no-kar?sin-o'ma) [ adeno- + carcinoma] A malignant tumor that originates in glandular tissues, e.g., the breast, the pancreas, or the prostate. Synonym: glandular carcinomaadenocarcinomatous (-mat-us), adjective

acinar adenocarcinoma

Adenocarcinoma in which the cells are in the shape of alveoli. Synonym: alveolar adenocarcinoma

alveolar adenocarcinoma

Acinar adenocarcinoma.

fetal adenocarcinoma

A rare form of adenocarcinoma of the lung, resembling fetal lung tissue when examined microscopically. It consists of columnar cells that have a clear cytoplasm and oval nuclei.

adenocarcinoma in situ

Abbreviation: AIS
A localized cluster of malignant appearing cells found in a gland but not yet spreading outside the basement membrane of the gland.