PMC7393322_01
Chest x-ray showing a left upper lobe mass lesion.
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His chest x-ray on admission showed a left upper lobe mass lesion (Fig. 1).
Labelled computerised tomography showing left upper lobe lung tumour contiguous with station 10 left lymph node and left pulmonary vein.
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There was evidence of direct tumour extension into the left pulmonary vein, almost into the left atrium (Fig. 2).
Endobronchial ultrasound images showing tumour within pulmonary vein being sampled by transbronchial needle aspiration (schematic below to identify structures).
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TBNA was performed (Fig. 3).
Cell block showing tumour cells within pulmonary vein.
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This demonstrated strong p40 and TTF1 positivity and the tumour was classified as non-small cell carcinoma, not otherwise specified (Fig. 4).