Non-Hodgkin's lymphoma involving chronic difficult-to-heal wounds: A case report

Figure 4 Hematoxylin and eosin staining of postoperative margin tissue specimens. A: low magnification; B: High magnification. A large plasma cell and lymphocyte infiltrate was seen around the vessels, consistent with a chronic ulcerative lesion with marked vessel wall thickening and lumen occlusion, with no evidence of a neoplastic lesion.