NCIt synonyms : Appendiceal Adenocarcinoma; Adenocarcinoma of the Appendix; Adenocarcinoma of Appendix;
NCIt definition : A malignant neoplasm arising from the glandular epithelium of the appendix with invasion
of the appendiceal wall beyond the muscularis mucosa. The majority of cases are well
differentiated adenocarcinomas with mucinous stroma formation. Clinically, it may
present as an abdominal mass or with symptoms of acute appendicitis. Patients with
chronic ulcerative colitis are at a higher risk in developing appendiceal adenocarcinomas
compared to the general population.;