cecum carcinoma Appendix Goblet Cell Carcinoid appendix goblet cell carcinoid tumor NCIT:C3689 ICDO:8243/3 appendix adenocarcinoid tumor ONCOTREE:GCCAP goblet cell carcinoid tumor An invasive mixed adenoneuroendocrine carcinoma of the appendix characterized by a submucosal growth and the presence of neoplastic signet-ring cells resembling goblet cells of the intestine. appendix goblet cell carcinoid appendix mixed carcinoid-adenocarcinoma mucinous carcinoid tumor EFO:1000090 goblet cell carcinoid of appendix goblet cell carcinoid of the appendix