A Unique Presentation of Metastatic Gallbladder Carcinoma

Figure 5

The gallbladder carcinoma (a) infiltrating the fibrotic wall of the gallbladder, with overlying high grade biliary intraepithelial neoplasia, has the same morphologic appearance as the appendiceal carcinoma (c), which had an abundance of lymphovascular space invasion (b).

(a)

(b)

(c)