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Fig. 2 | Clinical Sarcoma Research

Fig. 2

From: Primary pulmonary artery sarcoma masquerading as pulmonary thromboembolism: a rare diagnosis unveiled

Fig. 2

a Sarcomatous tumor with intratumoral haemorrhage and fibrinoid necrosis [Haematoxylin and Eosin (H and E) stain ×200]. b Higher magnification showing tumor cells with focal epithelioid morphology, exhibiting moderate to marked nuclear pleomorphism [H and E ×400]. c By Immunohistochemistry, tumor cells showing diffuse intranuclear Fli1 positivity (diaminobenzidine immunostain ×400)

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