obsolete_Appendix Adenoma true A circumscribed neoplasm arising from the glandular epithelium of the appendix. Morphologically, it is characterized by a proliferation of neoplastic glandular cells and it is associated with dysplasia. According to the growth pattern, it may be classified as tubular, villous, or tubulovillous. The dysplasia is classified as mild, moderate, or severe. http://purl.obolibrary.org/obo/MONDO_0006088 EFO:1000089 Replaced by Mondo term MONDO_0006088, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006088 UMLS:C1706829 appendix adenoma NCIT:C43550 3.88.0 vermiform appendix adenoma