TTF1 Expression in Pulmonary Metastatic Rectal Adenocarcinoma

Figure 1

(a) Representative image of the neoplasm (on the left) with normal healthy tissue (on the right) (×200); (b) CK7 immunohistochemical expression (×200); (c) CK20 immunohistochemical expression (×200); (d) Napsin A immunohistochemical expression (×200); (e) TTF-1 immunohistochemical expression (×200); (f) Ki67 immunohistochemical expression (×200).

(a)

(b)

(c)

(d)

(e)

(f)