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Figure 4 | Diagnostic Pathology

Figure 4

From: Pulmonary metastasis of a papillary thyroid carcinoma and primary lung adenocarcinoma: two coincident carcinomas at the same location

Figure 4

Immunohistochemical features of the metastatic papillary thyroid carcinoma and primary lung adenocarcinoma. Napsin A was positive in primary lung adenocarcinoma (▲), but negative in metastatic papillary thyroid carcinoma (→) (a, b and c). Thyroglobulin was positive in metastatic papillary thyroid carcinoma (→), but negative in primary lung adenocarcinoma (▲) (d, e and f).

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