Fig. 1
From: Poorly differentiated clusters (PDC) in colorectal cancer: what is and ought to be known
Grades of malignancy of CRC based on the highest PDC count. a PDC G1: <5 clusters [H&E stain 10×]. The particular of the clusters showing more than 5 undifferentiated cancer cells [asterisk - H&E stain 20×]. b PDC G2: 5–9 clusters [H&E stain 20×]. c PDC G3: ≥ 10 clusters at the fron of the tumor mass [H&E stain 10×]. d PDC G3: The same clusters at major resolution [H&E stain; 20×]