Extraluminal Colonic Carcinoma Invading into Kidney: A Case Report and Review of the Literature

Figure 3

Histopathological examination. (a) Pathology slide demonstrating the poorly differentiated carcinoma of the colon (Hematoxylin and Eosin, 20x). Immunohistochemical stains for CK20 and CK7 were found to be uniformly CK20 positive (b) and CK7 negative (c).

(a)

(b)

(c)