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Surgical Case Reports
Fig. 5 | Surgical Case Reports

Fig. 5

From: An ectopic thymoma arising in the middle mediastinum that was difficult to distinguish from a lymph node metastasis

Fig. 5

Pathological examination. Pathological examination showed that the tumor was a thymoma. The nodule was a lobular tumor containing many T lymphocytes and some thymic epithelial cells and was covered by a fibrous capsule, which had been partially invaded by tumor cells. Thymic gland tissue was found in the surrounding fat tissue. Hematoxylin and eosin staining, × 40

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