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. 2016 Jul 2;14:176. doi: 10.1186/s12957-016-0936-z

Fig. 4.

Fig. 4

Histological findings. The tumor consisted of spindle-shaped cells with eosinophilic cytoplasm and pleomorphic nuclei (a, H&E × 100) (b, H&E × 200). The tumor cells were strongly positive for alpha-smooth muscle actin staining (c). Lymph node mass (d, H&E × 100)