to differentiate neuroendocrine ( ne ) neoplasms arising at different levels of the gut and pancreas , the authors studied the expression of neurofilament ( nf ) proteins and chromogranin ( cr ) in normal and neoplastic ne cells of the human gastrointestinal tract ( git ) ( 14 ileal/jejunal carcinoids , six appendiceal carcinoids , 11 rectal carcinoids ) and pancreas ( 23 islet cell tumors ) .
C1514044
neoplastic ne cells
C1335678
rectal carcinoids