Primary ileal squamous cell carcinoma: A case report and review of literature

Figure 2 Macroscopic evaluation and hematoxylin-eosin staining of the small intestinal mass. A: Gross specimen of primary ileal squamous cell carcinoma; B: Tumor cells arranged in solid sheet-like patterns (40 ×); C: Tumor cells forming nested clusters (40 ×); D: Tumor cells with abundant clear cytoplasm (200 ×); E: Pathological mitotic figures identified (200 ×); F: Evidence of perineural invasion by tumor cells (40 ×). The primary tumor mass observed in the resected intestinal specimen.