PMC8512629_01
Chest contrast-enhanced computed tomography before treatment reveals a tumor measuring 33 mm in diameter in the right upper lung.
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Computed tomography (CT) revealed a tumor measuring 33 mm in diameter in the right upper lung, multiple swollen lymph nodes, and a small amount of pleural and pericardial effusion (Fig. 1).
Brain magnetic resonance imaging reveals small multiple brain metastases (arrowheads).
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Brain magnetic resonance imaging (MRI) showed multiple small brain metastases (Fig. 2) without associated symptoms.
A and B: Pathological findings of #7 lymph node specimen reveals adenocarcinoma (A). Immunohistochemistry shows positive staining for amphiphysin (B).
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Endobronchial ultrasound-guided transbronchial needle aspiration of the #7 lymph node revealed AMPH-positive adenocarcinoma (Fig. 3).