Fig. 5From: Lymph node cancer of the mediastinum with a putative necrotic primary lesion in the lung: a case reportHistopathologic findings of the subcarinal lymph node. a, b Solid proliferation of cancer cells was observed (hematoxylin and eosin stain. a low magnification, b high magnification). c, d Tumor cells were positive for pan-cytokeratin and napsin A (c pan-cytokeratin immunostaining; d napsin A)Back to article page