Case Report
Recurrent Renal Cell Carcinoma with Synchronous Tumor Growth in Azygoesophageal Recess and Duodenum: A Rare Cause of Anemia and Upper Gastrointestinal Bleeding
Figure 3
Duodenal mucosa with metastatic alveolar clusters of clear cell renal carcinoma. Tumor cells strongly immunoreactive to PAX8 intranuclear immunostain.