Figure 4
Microphotographs of IHC of ductal breast carcinoma samples at different stages are shown (×400). (A) Stage I, (B) II, (C) III and (D) IV sections incubated with anti-MUC1 MAbs reacted with a non-apical mainly mixed pattern; in (E) a benign sample shows an apical linear positive reaction; content of a ductal lumen is also stained.