Figure 5

(a) β-Catenin expression is reduced within the MELF pattern area (arrow) compared with that in conventional tumor glands (upper right and lower left fields). (b) Note that the expression of CK7 corresponds to the MELF-type tumor alteration.
(a) β-Catenin expression is reduced within the MELF pattern area (arrow) compared with that in conventional tumor glands (upper right and lower left fields). (b) Note that the expression of CK7 corresponds to the MELF-type tumor alteration.