Repetitive response to gemcitabine that led to curative resection in cholangiocarcinoma

Figure 2 Histological finding of resected specimen is shown. Well differentiated adenocarcinoma is seen with glandular structure and a dense fibrous stroma. Scattered lymphocytes are also present (40 × magnification). In higher magnification, tumor is composed of glands lined by cuboidal mucin-producing epithelium resemble biliary epithelium ( Inset, 400 × magnification).