PMC8435908_01
Lung CT image of the patient with soft tissue window (A) and lung window (B). Gross sample and H&E images. (C) The gross image of pulmonary mass. (D) Frozen H&E section x20. (E) Frozen H&E section x40. (F) Paraffin H&E sections x20. (G, H) Paraffin H&E sections x40. Immunohistochemical staining (I-N) on six biomarkers. Vimetin (+), NUT (nuclear positive), P63 (mostly+), CK7 (few+), CK5/6 (few+), and Ki-67 index (80%).
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The distal lung tissue showed strips of ground-glass opacity shadow (Figures 3A, B).