despite abundant mucin and a goblet cell or acinar-like arrangement , a closer relationship to carcinoid than to adenocarcinoma is suggested by a concentration of tumor elements below the crypts of lieberkuhn , a lack of evidence of neoplastic transformation of the appendiceal mucosa , and the demonstration of argentaffin or argyrophil granules in 88 % of the lesions .
C0007095
carcinoid
C0001418
adenocarcinoma