NDRG1 and colorectal carcinoma: On the other hand, Figure 6D is from a CRC tissue sample from a patient with high NDRG1 (i.e., NDRG1(+); Fig. 6D(i)) and low nuclear β-catenin (i.e., nuclear β-catenin(−); Fig. 6D(ii)) and total CD44 (i.e., CD44(−); Fig. 6D(iii)).