among 24 well differentiated endocrine tumours-16 with and 8 without chronic atrophic gastritis ( cag ) -3 gastrin cell tumours have been distinguished from 21 argyrophil carcinoids , 15 of which showed light- and/or electronmicroscopy patterns of enterochromaffin-like ( ecl ) cell tumours , 2 of ec cell tumours and 1 of d1/p cell tumour .
C0007589
differentiated
C0007634
cell