disease has location villous adenoma cecum villous adenoma appendix adenoma appendix villous adenoma villous adenoma of the appendix UMLS:C1332329 An adenoma arising from the appendix. It is characterized by the presence of villous epithelial structures and it is associated with dysplasia. GARD:0024289 MEDGEN:233993 villous adenoma of appendix appendix villous adenoma MONDO:0006092 NCIT:C5512 vermiform appendix villous adenoma EFO:1000093 vermiform appendix