Figure 3

(a) ‘Microglandular pattern’ composed of tumor cells dispersed as punched-out rosette-like tubules with rigid luminal borders and lined by polarized cuboidal-columnar cells. Single goblet-type tumor cells are interspersed between tubules. (b) Mixed mucinous type carcinoma pattern’ with abundant stromal mucin containing small clusters of floating goblet cell carcinoid-type crypts within it.