Figure 6From: Usefulness of immunohistochemical studies in diagnosing metachronous gallbladder and small intestinal metastases from lung cancer with gastrointestinal hemorrhage: a case report Microscopic findings of the resected specimens. Pathological features of the resected tumors. Histological examination of (a) the resected lung cancer, (b) the gallbladder tumor, and (c) the intestinal tumor showed poorly differentiated adenocarcinoma (hematoxylin and eosin stain, ×100). Immunohistochemistry of (d) the resected lung cancer, (e) the gallbladder tumor, and (f) the intestinal tumor showed that tumor cells were positive for thyroid transcription factor-1.Back to article page